{
  "document": {
    "title": "SSA-538778: SmartVNC Vulnerabilities in SIMATIC HMI/WinCC Products",
    "category": "Siemens Security Advisory",
    "csaf_version": "2.0",
    "publisher": {
      "name": "Siemens ProductCERT",
      "contact_details": "productcert@siemens.com",
      "category": "vendor",
      "namespace": "https://www.siemens.com"
    },
    "distribution": {
      "text": "Disclosure is not limited.",
      "tlp": {
        "label": "WHITE"
      }
    },
    "tracking": {
      "id": "SSA-538778",
      "status": "final",
      "version": "3",
      "revision_history": [
        {
          "number": "1",
          "legacy_version": "1.0",
          "date": "2021-05-11T00:00:00Z",
          "summary": "Publication Date"
        },
        {
          "number": "2",
          "legacy_version": "1.1",
          "date": "2021-09-14T00:00:00Z",
          "summary": "Added additional solution for all products"
        },
        {
          "number": "3",
          "legacy_version": "1.2",
          "date": "2021-10-12T00:00:00Z",
          "summary": "V15 sub-version numbering correction"
        }
      ],
      "initial_release_date": "2021-05-11T00:00:00Z",
      "current_release_date": "2021-10-12T00:00:00Z",
      "generator": {
        "engine": {
          "name": "Siemens ProductCERT CSAF Generator",
          "version": "1"
        }
      }
    },
    "notes": [
      {
        "title": "Summary",
        "category": "summary",
        "text": "Multiple SmartVNC vulnerabilities in the affected products listed below could allow remote code execution and Denial-of-Service attacks under certain conditions.\n\nSiemens has released updates for the affected products and recommends to update to the latest version."
      },
      {
        "title": "General Recommendations",
        "category": "general",
        "text": "As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.\n\nAdditional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity"
      },
      {
        "title": "Additional Resources",
        "category": "general",
        "text": "For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories"
      },
      {
        "title": "Terms of Use",
        "category": "legal_disclaimer",
        "text": "Siemens Security Advisories are subject to the terms and conditions contained in Siemens' underlying license terms or other applicable agreements previously agreed to with Siemens (hereinafter \"License Terms\"). To the extent applicable to information, software or documentation made available in or through a Siemens Security Advisory, the Terms of Use of Siemens' Global Website (https://www.siemens.com/terms_of_use, hereinafter \"Terms of Use\"), in particular Sections 8-10 of the Terms of Use, shall apply additionally. In case of conflicts, the License Terms shall prevail over the Terms of Use."
      }
    ],
    "references": [
      {
        "category": "self",
        "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-538778.pdf",
        "summary": "SSA-538778: SmartVNC Vulnerabilities in SIMATIC HMI/WinCC Products - PDF Version"
      },
      {
        "category": "self",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-538778.txt",
        "summary": "SSA-538778: SmartVNC Vulnerabilities in SIMATIC HMI/WinCC Products - TXT Version"
      },
      {
        "category": "self",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-538778.json",
        "summary": "SSA-538778: SmartVNC Vulnerabilities in SIMATIC HMI/WinCC Products - CSAF Version"
      }
    ]
  },
  "product_tree": {
    "branches": [
      {
        "name": "Siemens",
        "category": "vendor",
        "branches": [
          {
            "name": "SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl. SIPLUS variants)",
            "category": "product_name",
            "branches": [
              {
                "name": "< V15.1 Update 6",
                "category": "product_version_range",
                "product": {
                  "product_id": "1",
                  "name": "SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl. SIPLUS variants)"
                }
              }
            ]
          },
          {
            "name": "SIMATIC HMI Comfort Outdoor Panels V16 7\" & 15\" (incl. SIPLUS variants)",
            "category": "product_name",
            "branches": [
              {
                "name": "< V16 Update 4",
                "category": "product_version_range",
                "product": {
                  "product_id": "2",
                  "name": "SIMATIC HMI Comfort Outdoor Panels V16 7\" & 15\" (incl. SIPLUS variants)"
                }
              }
            ]
          },
          {
            "name": "SIMATIC HMI Comfort Panels V15 4\" - 22\" (incl. SIPLUS variants)",
            "category": "product_name",
            "branches": [
              {
                "name": "< V15.1 Update 6",
                "category": "product_version_range",
                "product": {
                  "product_id": "3",
                  "name": "SIMATIC HMI Comfort Panels V15 4\" - 22\" (incl. SIPLUS variants)"
                }
              }
            ]
          },
          {
            "name": "SIMATIC HMI Comfort Panels V16 4\" - 22\" (incl. SIPLUS variants)",
            "category": "product_name",
            "branches": [
              {
                "name": "< V16 Update 4",
                "category": "product_version_range",
                "product": {
                  "product_id": "4",
                  "name": "SIMATIC HMI Comfort Panels V16 4\" - 22\" (incl. SIPLUS variants)"
                }
              }
            ]
          },
          {
            "name": "SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
            "category": "product_name",
            "branches": [
              {
                "name": "< V15.1 Update 6",
                "category": "product_version_range",
                "product": {
                  "product_id": "5",
                  "name": "SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F"
                }
              }
            ]
          },
          {
            "name": "SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F",
            "category": "product_name",
            "branches": [
              {
                "name": "< V16 Update 4",
                "category": "product_version_range",
                "product": {
                  "product_id": "6",
                  "name": "SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F"
                }
              }
            ]
          },
          {
            "name": "SIMATIC WinCC Runtime Advanced V15",
            "category": "product_name",
            "branches": [
              {
                "name": "< V15.1 Update 6",
                "category": "product_version_range",
                "product": {
                  "product_id": "7",
                  "name": "SIMATIC WinCC Runtime Advanced V15"
                }
              }
            ]
          },
          {
            "name": "SIMATIC WinCC Runtime Advanced V16",
            "category": "product_name",
            "branches": [
              {
                "name": "< V16 Update 4",
                "category": "product_version_range",
                "product": {
                  "product_id": "8",
                  "name": "SIMATIC WinCC Runtime Advanced V16"
                }
              }
            ]
          }
        ]
      }
    ]
  },
  "vulnerabilities": [
    {
      "title": "CVE-2021-25660",
      "notes": [
        {
          "title": "Summary",
          "category": "summary",
          "text": "SmartVNC has an out-of-bounds memory access vulnerability that could be triggered on the server side when sending data from the client, which could result in a Denial-of-Service condition."
        }
      ],
      "cve": "CVE-2021-25660",
      "cwe": {
        "id": "CWE-788",
        "name": "Access of Memory Location After End of Buffer"
      },
      "product_status": {
        "known_affected": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8"
        ]
      },
      "scores": [
        {
          "cvss_v3": {
            "version": "3.1",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:H/E:P/RL:O/RC:C"
          },
          "products": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8"
          ]
        }
      ],
      "remediations": [
        {
          "product_ids": [
            "1",
            "3",
            "5"
          ],
          "category": "vendor_fix",
          "details": "Update SIMATIC WinCC (TIA Portal) to V15.1 Update 6, and then update panel to V15.1 Update 6",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "product_ids": [
            "2",
            "4",
            "6"
          ],
          "category": "vendor_fix",
          "details": "Update SIMATIC WinCC (TIA Portal) to V16 Update 4 or later version, and then update panel to V16 Update 4 or later version",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "product_ids": [
            "7"
          ],
          "category": "vendor_fix",
          "details": "Update to V15.1 Update 6",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "product_ids": [
            "8"
          ],
          "category": "vendor_fix",
          "details": "Update to V16 Update 4 or later version",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/"
        },
        {
          "product_ids": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8"
          ],
          "category": "mitigation",
          "details": "Restrict access to port 5900/tcp to trusted IP addresses only"
        }
      ],
      "references": [
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/",
          "summary": "CVE-2021-25660 - SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl. SIPLUS variants)"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/",
          "summary": "CVE-2021-25660 - SIMATIC HMI Comfort Outdoor Panels V16 7\" & 15\" (incl. SIPLUS variants)"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/",
          "summary": "CVE-2021-25660 - SIMATIC HMI Comfort Panels V15 4\" - 22\" (incl. SIPLUS variants)"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/",
          "summary": "CVE-2021-25660 - SIMATIC HMI Comfort Panels V16 4\" - 22\" (incl. SIPLUS variants)"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/",
          "summary": "CVE-2021-25660 - SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/",
          "summary": "CVE-2021-25660 - SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/",
          "summary": "CVE-2021-25660 - SIMATIC WinCC Runtime Advanced V15"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/",
          "summary": "CVE-2021-25660 - SIMATIC WinCC Runtime Advanced V16"
        },
        {
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-25660.json",
          "summary": "CVE-2021-25660 Mitre 5.0 json"
        }
      ]
    },
    {
      "title": "CVE-2021-25661",
      "notes": [
        {
          "title": "Summary",
          "category": "summary",
          "text": "SmartVNC has an out-of-bounds memory access vulnerability that could be triggered on the client side when sending data from the server, which could result in a Denial-of-Service condition."
        }
      ],
      "cve": "CVE-2021-25661",
      "cwe": {
        "id": "CWE-788",
        "name": "Access of Memory Location After End of Buffer"
      },
      "product_status": {
        "known_affected": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8"
        ]
      },
      "scores": [
        {
          "cvss_v3": {
            "version": "3.1",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H/E:P/RL:O/RC:C"
          },
          "products": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8"
          ]
        }
      ],
      "remediations": [
        {
          "product_ids": [
            "1",
            "3",
            "5"
          ],
          "category": "vendor_fix",
          "details": "Update SIMATIC WinCC (TIA Portal) to V15.1 Update 6, and then update panel to V15.1 Update 6",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "product_ids": [
            "2",
            "4",
            "6"
          ],
          "category": "vendor_fix",
          "details": "Update SIMATIC WinCC (TIA Portal) to V16 Update 4 or later version, and then update panel to V16 Update 4 or later version",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "product_ids": [
            "7"
          ],
          "category": "vendor_fix",
          "details": "Update to V15.1 Update 6",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "product_ids": [
            "8"
          ],
          "category": "vendor_fix",
          "details": "Update to V16 Update 4 or later version",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/"
        },
        {
          "product_ids": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8"
          ],
          "category": "mitigation",
          "details": "Restrict access to port 5900/tcp to trusted IP addresses only"
        }
      ],
      "references": [
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/",
          "summary": "CVE-2021-25661 - SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl. SIPLUS variants)"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/",
          "summary": "CVE-2021-25661 - SIMATIC HMI Comfort Outdoor Panels V16 7\" & 15\" (incl. SIPLUS variants)"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/",
          "summary": "CVE-2021-25661 - SIMATIC HMI Comfort Panels V15 4\" - 22\" (incl. SIPLUS variants)"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/",
          "summary": "CVE-2021-25661 - SIMATIC HMI Comfort Panels V16 4\" - 22\" (incl. SIPLUS variants)"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/",
          "summary": "CVE-2021-25661 - SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/",
          "summary": "CVE-2021-25661 - SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/",
          "summary": "CVE-2021-25661 - SIMATIC WinCC Runtime Advanced V15"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/",
          "summary": "CVE-2021-25661 - SIMATIC WinCC Runtime Advanced V16"
        },
        {
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-25661.json",
          "summary": "CVE-2021-25661 Mitre 5.0 json"
        }
      ]
    },
    {
      "title": "CVE-2021-25662",
      "notes": [
        {
          "title": "Summary",
          "category": "summary",
          "text": "SmartVNC client fails to handle an exception properly if the program execution process is modified after sending a packet from the server, which could result in a Denial-of-Service condition."
        }
      ],
      "cve": "CVE-2021-25662",
      "cwe": {
        "id": "CWE-755",
        "name": "Improper Handling of Exceptional Conditions"
      },
      "product_status": {
        "known_affected": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8"
        ]
      },
      "scores": [
        {
          "cvss_v3": {
            "version": "3.1",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H/E:P/RL:O/RC:C"
          },
          "products": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8"
          ]
        }
      ],
      "remediations": [
        {
          "product_ids": [
            "1",
            "3",
            "5"
          ],
          "category": "vendor_fix",
          "details": "Update SIMATIC WinCC (TIA Portal) to V15.1 Update 6, and then update panel to V15.1 Update 6",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "product_ids": [
            "2",
            "4",
            "6"
          ],
          "category": "vendor_fix",
          "details": "Update SIMATIC WinCC (TIA Portal) to V16 Update 4 or later version, and then update panel to V16 Update 4 or later version",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "product_ids": [
            "7"
          ],
          "category": "vendor_fix",
          "details": "Update to V15.1 Update 6",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "product_ids": [
            "8"
          ],
          "category": "vendor_fix",
          "details": "Update to V16 Update 4 or later version",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/"
        },
        {
          "product_ids": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8"
          ],
          "category": "mitigation",
          "details": "Restrict access to port 5900/tcp to trusted IP addresses only"
        }
      ],
      "references": [
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/",
          "summary": "CVE-2021-25662 - SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl. SIPLUS variants)"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/",
          "summary": "CVE-2021-25662 - SIMATIC HMI Comfort Outdoor Panels V16 7\" & 15\" (incl. SIPLUS variants)"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/",
          "summary": "CVE-2021-25662 - SIMATIC HMI Comfort Panels V15 4\" - 22\" (incl. SIPLUS variants)"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/",
          "summary": "CVE-2021-25662 - SIMATIC HMI Comfort Panels V16 4\" - 22\" (incl. SIPLUS variants)"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/",
          "summary": "CVE-2021-25662 - SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/",
          "summary": "CVE-2021-25662 - SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/",
          "summary": "CVE-2021-25662 - SIMATIC WinCC Runtime Advanced V15"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/",
          "summary": "CVE-2021-25662 - SIMATIC WinCC Runtime Advanced V16"
        },
        {
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-25662.json",
          "summary": "CVE-2021-25662 Mitre 5.0 json"
        }
      ]
    },
    {
      "title": "CVE-2021-27383",
      "notes": [
        {
          "title": "Summary",
          "category": "summary",
          "text": "SmartVNC has a heap allocation leak vulnerability in the server Tight encoder, which could result in a Denial-of-Service condition."
        }
      ],
      "cve": "CVE-2021-27383",
      "cwe": {
        "id": "CWE-770",
        "name": "Allocation of Resources Without Limits or Throttling"
      },
      "product_status": {
        "known_affected": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8"
        ]
      },
      "scores": [
        {
          "cvss_v3": {
            "version": "3.1",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C"
          },
          "products": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8"
          ]
        }
      ],
      "remediations": [
        {
          "product_ids": [
            "1",
            "3",
            "5"
          ],
          "category": "vendor_fix",
          "details": "Update SIMATIC WinCC (TIA Portal) to V15.1 Update 6, and then update panel to V15.1 Update 6",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "product_ids": [
            "2",
            "4",
            "6"
          ],
          "category": "vendor_fix",
          "details": "Update SIMATIC WinCC (TIA Portal) to V16 Update 4 or later version, and then update panel to V16 Update 4 or later version",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "product_ids": [
            "7"
          ],
          "category": "vendor_fix",
          "details": "Update to V15.1 Update 6",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "product_ids": [
            "8"
          ],
          "category": "vendor_fix",
          "details": "Update to V16 Update 4 or later version",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/"
        },
        {
          "product_ids": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8"
          ],
          "category": "mitigation",
          "details": "Restrict access to port 5900/tcp to trusted IP addresses only"
        }
      ],
      "references": [
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/",
          "summary": "CVE-2021-27383 - SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl. SIPLUS variants)"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/",
          "summary": "CVE-2021-27383 - SIMATIC HMI Comfort Outdoor Panels V16 7\" & 15\" (incl. SIPLUS variants)"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/",
          "summary": "CVE-2021-27383 - SIMATIC HMI Comfort Panels V15 4\" - 22\" (incl. SIPLUS variants)"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/",
          "summary": "CVE-2021-27383 - SIMATIC HMI Comfort Panels V16 4\" - 22\" (incl. SIPLUS variants)"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/",
          "summary": "CVE-2021-27383 - SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/",
          "summary": "CVE-2021-27383 - SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/",
          "summary": "CVE-2021-27383 - SIMATIC WinCC Runtime Advanced V15"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/",
          "summary": "CVE-2021-27383 - SIMATIC WinCC Runtime Advanced V16"
        },
        {
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-27383.json",
          "summary": "CVE-2021-27383 Mitre 5.0 json"
        }
      ]
    },
    {
      "title": "CVE-2021-27384",
      "notes": [
        {
          "title": "Summary",
          "category": "summary",
          "text": "SmartVNC has an out-of-bounds memory access vulnerability in the device layout handler, represented by a binary data stream on client side, which can potentially result in code execution."
        }
      ],
      "cve": "CVE-2021-27384",
      "cwe": {
        "id": "CWE-788",
        "name": "Access of Memory Location After End of Buffer"
      },
      "product_status": {
        "known_affected": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8"
        ]
      },
      "scores": [
        {
          "cvss_v3": {
            "version": "3.1",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C"
          },
          "products": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8"
          ]
        }
      ],
      "remediations": [
        {
          "product_ids": [
            "1",
            "3",
            "5"
          ],
          "category": "vendor_fix",
          "details": "Update SIMATIC WinCC (TIA Portal) to V15.1 Update 6, and then update panel to V15.1 Update 6",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "product_ids": [
            "2",
            "4",
            "6"
          ],
          "category": "vendor_fix",
          "details": "Update SIMATIC WinCC (TIA Portal) to V16 Update 4 or later version, and then update panel to V16 Update 4 or later version",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "product_ids": [
            "7"
          ],
          "category": "vendor_fix",
          "details": "Update to V15.1 Update 6",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "product_ids": [
            "8"
          ],
          "category": "vendor_fix",
          "details": "Update to V16 Update 4 or later version",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/"
        },
        {
          "product_ids": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8"
          ],
          "category": "mitigation",
          "details": "Restrict access to port 5900/tcp to trusted IP addresses only"
        }
      ],
      "references": [
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/",
          "summary": "CVE-2021-27384 - SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl. SIPLUS variants)"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/",
          "summary": "CVE-2021-27384 - SIMATIC HMI Comfort Outdoor Panels V16 7\" & 15\" (incl. SIPLUS variants)"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/",
          "summary": "CVE-2021-27384 - SIMATIC HMI Comfort Panels V15 4\" - 22\" (incl. SIPLUS variants)"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/",
          "summary": "CVE-2021-27384 - SIMATIC HMI Comfort Panels V16 4\" - 22\" (incl. SIPLUS variants)"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/",
          "summary": "CVE-2021-27384 - SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/",
          "summary": "CVE-2021-27384 - SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/",
          "summary": "CVE-2021-27384 - SIMATIC WinCC Runtime Advanced V15"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/",
          "summary": "CVE-2021-27384 - SIMATIC WinCC Runtime Advanced V16"
        },
        {
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-27384.json",
          "summary": "CVE-2021-27384 Mitre 5.0 json"
        }
      ]
    },
    {
      "title": "CVE-2021-27385",
      "notes": [
        {
          "title": "Summary",
          "category": "summary",
          "text": "A remote attacker could send specially crafted packets to SmartVNC device layout handler on client side, which could influence the amount of resources consumed and result in a Denial-of-Service (infinite loop) condition."
        }
      ],
      "cve": "CVE-2021-27385",
      "cwe": {
        "id": "CWE-400",
        "name": "Uncontrolled Resource Consumption"
      },
      "product_status": {
        "known_affected": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8"
        ]
      },
      "scores": [
        {
          "cvss_v3": {
            "version": "3.1",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C"
          },
          "products": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8"
          ]
        }
      ],
      "remediations": [
        {
          "product_ids": [
            "1",
            "3",
            "5"
          ],
          "category": "vendor_fix",
          "details": "Update SIMATIC WinCC (TIA Portal) to V15.1 Update 6, and then update panel to V15.1 Update 6",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "product_ids": [
            "2",
            "4",
            "6"
          ],
          "category": "vendor_fix",
          "details": "Update SIMATIC WinCC (TIA Portal) to V16 Update 4 or later version, and then update panel to V16 Update 4 or later version",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "product_ids": [
            "7"
          ],
          "category": "vendor_fix",
          "details": "Update to V15.1 Update 6",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "product_ids": [
            "8"
          ],
          "category": "vendor_fix",
          "details": "Update to V16 Update 4 or later version",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/"
        },
        {
          "product_ids": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8"
          ],
          "category": "mitigation",
          "details": "Restrict access to port 5900/tcp to trusted IP addresses only"
        }
      ],
      "references": [
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/",
          "summary": "CVE-2021-27385 - SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl. SIPLUS variants)"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/",
          "summary": "CVE-2021-27385 - SIMATIC HMI Comfort Outdoor Panels V16 7\" & 15\" (incl. SIPLUS variants)"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/",
          "summary": "CVE-2021-27385 - SIMATIC HMI Comfort Panels V15 4\" - 22\" (incl. SIPLUS variants)"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/",
          "summary": "CVE-2021-27385 - SIMATIC HMI Comfort Panels V16 4\" - 22\" (incl. SIPLUS variants)"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/",
          "summary": "CVE-2021-27385 - SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/",
          "summary": "CVE-2021-27385 - SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/",
          "summary": "CVE-2021-27385 - SIMATIC WinCC Runtime Advanced V15"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/",
          "summary": "CVE-2021-27385 - SIMATIC WinCC Runtime Advanced V16"
        },
        {
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-27385.json",
          "summary": "CVE-2021-27385 Mitre 5.0 json"
        }
      ]
    },
    {
      "title": "CVE-2021-27386",
      "notes": [
        {
          "title": "Summary",
          "category": "summary",
          "text": "SmartVNC has a heap allocation leak vulnerability in the device layout handler on client side, which could result in a Denial-of-Service condition."
        }
      ],
      "cve": "CVE-2021-27386",
      "cwe": {
        "id": "CWE-401",
        "name": "Missing Release of Memory after Effective Lifetime"
      },
      "product_status": {
        "known_affected": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8"
        ]
      },
      "scores": [
        {
          "cvss_v3": {
            "version": "3.1",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C"
          },
          "products": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8"
          ]
        }
      ],
      "remediations": [
        {
          "product_ids": [
            "1",
            "3",
            "5"
          ],
          "category": "vendor_fix",
          "details": "Update SIMATIC WinCC (TIA Portal) to V15.1 Update 6, and then update panel to V15.1 Update 6",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "product_ids": [
            "2",
            "4",
            "6"
          ],
          "category": "vendor_fix",
          "details": "Update SIMATIC WinCC (TIA Portal) to V16 Update 4 or later version, and then update panel to V16 Update 4 or later version",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/"
        },
        {
          "product_ids": [
            "7"
          ],
          "category": "vendor_fix",
          "details": "Update to V15.1 Update 6",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/"
        },
        {
          "product_ids": [
            "8"
          ],
          "category": "vendor_fix",
          "details": "Update to V16 Update 4 or later version",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/"
        },
        {
          "product_ids": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8"
          ],
          "category": "mitigation",
          "details": "Restrict access to port 5900/tcp to trusted IP addresses only"
        }
      ],
      "references": [
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/",
          "summary": "CVE-2021-27386 - SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl. SIPLUS variants)"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/",
          "summary": "CVE-2021-27386 - SIMATIC HMI Comfort Outdoor Panels V16 7\" & 15\" (incl. SIPLUS variants)"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/",
          "summary": "CVE-2021-27386 - SIMATIC HMI Comfort Panels V15 4\" - 22\" (incl. SIPLUS variants)"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/",
          "summary": "CVE-2021-27386 - SIMATIC HMI Comfort Panels V16 4\" - 22\" (incl. SIPLUS variants)"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/",
          "summary": "CVE-2021-27386 - SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109775861/",
          "summary": "CVE-2021-27386 - SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763890/",
          "summary": "CVE-2021-27386 - SIMATIC WinCC Runtime Advanced V15"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109776018/",
          "summary": "CVE-2021-27386 - SIMATIC WinCC Runtime Advanced V16"
        },
        {
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-27386.json",
          "summary": "CVE-2021-27386 Mitre 5.0 json"
        }
      ]
    }
  ]
}