{
  "document": {
    "title": "SSA-672373: Vulnerabilities in CP 1543-1 before V2.0.28",
    "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-672373",
      "status": "final",
      "version": "3",
      "revision_history": [
        {
          "number": "1",
          "legacy_version": "1.0",
          "date": "2016-11-18T00:00:00Z",
          "summary": "Publication Date"
        },
        {
          "number": "2",
          "legacy_version": "1.1",
          "date": "2020-02-10T00:00:00Z",
          "summary": "SIPLUS devices now explicitly mentioned in the list of affected products"
        },
        {
          "number": "3",
          "legacy_version": "1.2",
          "date": "2022-04-12T00:00:00Z",
          "summary": "Updated download link and revised summary section"
        }
      ],
      "initial_release_date": "2016-11-18T00:00:00Z",
      "current_release_date": "2022-04-12T00:00:00Z",
      "generator": {
        "engine": {
          "name": "Siemens ProductCERT CSAF Generator",
          "version": "1"
        }
      }
    },
    "notes": [
      {
        "title": "Summary",
        "category": "summary",
        "text": "SIMATIC CP 1543-1 devices before V2.0.28 contain two vulnerabilities that could allow authorized users to escalate their privileges on the CP or create a denial of service condition.\n\nSiemens has released updates for the affected products and recommends to update to the latest versions."
      },
      {
        "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-672373.pdf",
        "summary": "SSA-672373: Vulnerabilities in CP 1543-1 before V2.0.28 - PDF Version"
      },
      {
        "category": "self",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-672373.txt",
        "summary": "SSA-672373: Vulnerabilities in CP 1543-1 before V2.0.28 - TXT Version"
      },
      {
        "category": "self",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-672373.json",
        "summary": "SSA-672373: Vulnerabilities in CP 1543-1 before V2.0.28 - CSAF Version"
      }
    ],
    "acknowledgments": [
      {
        "names": [
          "Artem Zinenko"
        ],
        "organization": "Kaspersky",
        "summary": "pointing out that SIPLUS should also be mentioned"
      },
      {
        "organization": "Agence nationale de la sécurité des systèmes d’information (ANSSI)",
        "summary": "coordination efforts"
      },
      {
        "organization": "SOGETI",
        "summary": "coordinated disclosure"
      }
    ]
  },
  "product_tree": {
    "branches": [
      {
        "name": "Siemens",
        "category": "vendor",
        "branches": [
          {
            "name": "SIMATIC CP 1543-1",
            "category": "product_name",
            "branches": [
              {
                "name": "< V2.0.28",
                "category": "product_version_range",
                "product": {
                  "product_id": "1",
                  "name": "SIMATIC CP 1543-1",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GK7543-1AX00-0XE0"
                    ]
                  }
                }
              }
            ]
          },
          {
            "name": "SIPLUS NET CP 1543-1",
            "category": "product_name",
            "branches": [
              {
                "name": "< V2.0.28",
                "category": "product_version_range",
                "product": {
                  "product_id": "2",
                  "name": "SIPLUS NET CP 1543-1",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6AG1543-1AX00-2XE0"
                    ]
                  }
                }
              }
            ]
          }
        ]
      }
    ]
  },
  "vulnerabilities": [
    {
      "title": "CVE-2016-8561",
      "notes": [
        {
          "title": "Summary",
          "category": "summary",
          "text": "Users with elevated privileges to TIA-Portal and project data on the engineering station could possibly get privileged access on affected devices."
        }
      ],
      "cve": "CVE-2016-8561",
      "cwe": {
        "id": "CWE-269",
        "name": "Improper Privilege Management"
      },
      "product_status": {
        "known_affected": [
          "1",
          "2"
        ]
      },
      "scores": [
        {
          "cvss_v3": {
            "version": "3.1",
            "baseScore": 6.6,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C"
          },
          "products": [
            "1",
            "2"
          ]
        }
      ],
      "remediations": [
        {
          "product_ids": [
            "1",
            "2"
          ],
          "category": "vendor_fix",
          "details": "Update to V2.0.28 or later version",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808678/"
        }
      ],
      "references": [
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808678/",
          "summary": "CVE-2016-8561 - SIMATIC CP 1543-1"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808678/",
          "summary": "CVE-2016-8561 - SIPLUS NET CP 1543-1"
        },
        {
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2016-8561.json",
          "summary": "CVE-2016-8561 Mitre 5.0 json"
        }
      ]
    },
    {
      "title": "CVE-2016-8562",
      "notes": [
        {
          "title": "Summary",
          "category": "summary",
          "text": "Under special conditions it was possible to write SNMP variables on port 161/udp which should be read-only and should only be configured with TIA-Portal. A write to these variables could reduce the availability or cause a denial-of-service."
        }
      ],
      "cve": "CVE-2016-8562",
      "cwe": {
        "id": "CWE-20",
        "name": "Improper Input Validation"
      },
      "product_status": {
        "known_affected": [
          "1",
          "2"
        ]
      },
      "scores": [
        {
          "cvss_v3": {
            "version": "3.1",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C"
          },
          "products": [
            "1",
            "2"
          ]
        }
      ],
      "remediations": [
        {
          "product_ids": [
            "1",
            "2"
          ],
          "category": "vendor_fix",
          "details": "Update to V2.0.28 or later version",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808678/"
        }
      ],
      "references": [
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808678/",
          "summary": "CVE-2016-8562 - SIMATIC CP 1543-1"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808678/",
          "summary": "CVE-2016-8562 - SIPLUS NET CP 1543-1"
        },
        {
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2016-8562.json",
          "summary": "CVE-2016-8562 Mitre 5.0 json"
        }
      ]
    }
  ]
}