{
  "document": {
    "title": "SSA-534763: Special Register Buffer Data Sampling (SRBDS) aka Crosstalk in Industrial 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-534763",
      "status": "final",
      "version": "7",
      "revision_history": [
        {
          "number": "1",
          "legacy_version": "1.0",
          "date": "2020-09-08T00:00:00Z",
          "summary": "Publication Date"
        },
        {
          "number": "2",
          "legacy_version": "1.1",
          "date": "2020-10-13T00:00:00Z",
          "summary": "Removed SINUMERIK 840D sl (NCU730.3B), SINUMERIK 828D (PPU.4 / PPU1740), and SINUMERIK ONE (NCU1750 / NCU1760) from the list of affected products. Added solution for SIMATIC IPC627E, SIMATIC IPC647E, SIMATIC IPC677E, and SIMATIC IPC847E"
        },
        {
          "number": "3",
          "legacy_version": "1.2",
          "date": "2020-12-08T00:00:00Z",
          "summary": "Added solution for SIMATIC IPC427E, SIMATIC IPC477E, and SIMATIC IPC477E PRO"
        },
        {
          "number": "4",
          "legacy_version": "1.3",
          "date": "2021-02-09T00:00:00Z",
          "summary": "Added solution for SIMATIC Field PG M5, and SIMATIC Field PG M6"
        },
        {
          "number": "5",
          "legacy_version": "1.4",
          "date": "2021-04-13T00:00:00Z",
          "summary": "Added solution for SIMATIC ITP1000 and SIMATIC IPC547G"
        },
        {
          "number": "6",
          "legacy_version": "1.5",
          "date": "2021-06-08T00:00:00Z",
          "summary": "Added solution for SIMATIC IPC527G"
        },
        {
          "number": "7",
          "legacy_version": "1.6",
          "date": "2022-03-08T00:00:00Z",
          "summary": "Added solution for SIMATIC IPC3000 SMART V2 and clarified that no further fixes are planned"
        }
      ],
      "initial_release_date": "2020-09-08T00:00:00Z",
      "current_release_date": "2022-03-08T00:00:00Z",
      "generator": {
        "engine": {
          "name": "Siemens ProductCERT CSAF Generator",
          "version": "1"
        }
      }
    },
    "notes": [
      {
        "title": "Summary",
        "category": "summary",
        "text": "Security researchers published information on a vulnerability known as Crosstalk (INTEL-SA-00320). This vulnerability affects modern Intel processors to a varying degree.\n\nSeveral Siemens Industrial Products contain processors that are affected by the vulnerability.\n\nSiemens has released updates for several affected products and recommends to update to the latest versions. Siemens recommends specific countermeasures for products where updates are not, or not yet available."
      },
      {
        "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-534763.pdf",
        "summary": "SSA-534763: Special Register Buffer Data Sampling (SRBDS) aka Crosstalk in Industrial Products - PDF Version"
      },
      {
        "category": "self",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-534763.txt",
        "summary": "SSA-534763: Special Register Buffer Data Sampling (SRBDS) aka Crosstalk in Industrial Products - TXT Version"
      },
      {
        "category": "self",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-534763.json",
        "summary": "SSA-534763: Special Register Buffer Data Sampling (SRBDS) aka Crosstalk in Industrial Products - CSAF Version"
      }
    ]
  },
  "product_tree": {
    "branches": [
      {
        "name": "Siemens",
        "category": "vendor",
        "branches": [
          {
            "name": "SIMATIC Field PG M4",
            "category": "product_name",
            "branches": [
              {
                "name": "vers:all/*",
                "category": "product_version_range",
                "product": {
                  "product_id": "1",
                  "name": "SIMATIC Field PG M4"
                }
              }
            ]
          },
          {
            "name": "SIMATIC Field PG M5",
            "category": "product_name",
            "branches": [
              {
                "name": "All BIOS versions < V22.01.08",
                "category": "product_version_range",
                "product": {
                  "product_id": "2",
                  "name": "SIMATIC Field PG M5"
                }
              }
            ]
          },
          {
            "name": "SIMATIC Field PG M6",
            "category": "product_name",
            "branches": [
              {
                "name": "All BIOS versions < V26.01.07",
                "category": "product_version_range",
                "product": {
                  "product_id": "3",
                  "name": "SIMATIC Field PG M6"
                }
              }
            ]
          },
          {
            "name": "SIMATIC IPC347E",
            "category": "product_name",
            "branches": [
              {
                "name": "vers:all/*",
                "category": "product_version_range",
                "product": {
                  "product_id": "4",
                  "name": "SIMATIC IPC347E"
                }
              }
            ]
          },
          {
            "name": "SIMATIC IPC427D (incl. SIPLUS variants)",
            "category": "product_name",
            "branches": [
              {
                "name": "vers:all/*",
                "category": "product_version_range",
                "product": {
                  "product_id": "5",
                  "name": "SIMATIC IPC427D (incl. SIPLUS variants)"
                }
              }
            ]
          },
          {
            "name": "SIMATIC IPC427E (incl. SIPLUS variants)",
            "category": "product_name",
            "branches": [
              {
                "name": "All BIOS versions < V21.01.14",
                "category": "product_version_range",
                "product": {
                  "product_id": "6",
                  "name": "SIMATIC IPC427E (incl. SIPLUS variants)"
                }
              }
            ]
          },
          {
            "name": "SIMATIC IPC477D",
            "category": "product_name",
            "branches": [
              {
                "name": "vers:all/*",
                "category": "product_version_range",
                "product": {
                  "product_id": "7",
                  "name": "SIMATIC IPC477D"
                }
              }
            ]
          },
          {
            "name": "SIMATIC IPC477E",
            "category": "product_name",
            "branches": [
              {
                "name": "All BIOS versions < V21.01.14",
                "category": "product_version_range",
                "product": {
                  "product_id": "8",
                  "name": "SIMATIC IPC477E"
                }
              }
            ]
          },
          {
            "name": "SIMATIC IPC477E Pro",
            "category": "product_name",
            "branches": [
              {
                "name": "All BIOS versions < V21.01.14",
                "category": "product_version_range",
                "product": {
                  "product_id": "9",
                  "name": "SIMATIC IPC477E Pro"
                }
              }
            ]
          },
          {
            "name": "SIMATIC IPC527G",
            "category": "product_name",
            "branches": [
              {
                "name": "All BIOS versions < V1.4.0",
                "category": "product_version_range",
                "product": {
                  "product_id": "10",
                  "name": "SIMATIC IPC527G"
                }
              }
            ]
          },
          {
            "name": "SIMATIC IPC547E",
            "category": "product_name",
            "branches": [
              {
                "name": "vers:all/*",
                "category": "product_version_range",
                "product": {
                  "product_id": "11",
                  "name": "SIMATIC IPC547E"
                }
              }
            ]
          },
          {
            "name": "SIMATIC IPC547G",
            "category": "product_name",
            "branches": [
              {
                "name": "All BIOS versions < R1.28.0",
                "category": "product_version_range",
                "product": {
                  "product_id": "12",
                  "name": "SIMATIC IPC547G"
                }
              }
            ]
          },
          {
            "name": "SIMATIC IPC627D",
            "category": "product_name",
            "branches": [
              {
                "name": "vers:all/*",
                "category": "product_version_range",
                "product": {
                  "product_id": "13",
                  "name": "SIMATIC IPC627D"
                }
              }
            ]
          },
          {
            "name": "SIMATIC IPC627E",
            "category": "product_name",
            "branches": [
              {
                "name": "All BIOS versions < V25.02.06",
                "category": "product_version_range",
                "product": {
                  "product_id": "14",
                  "name": "SIMATIC IPC627E"
                }
              }
            ]
          },
          {
            "name": "SIMATIC IPC647D",
            "category": "product_name",
            "branches": [
              {
                "name": "vers:all/*",
                "category": "product_version_range",
                "product": {
                  "product_id": "15",
                  "name": "SIMATIC IPC647D"
                }
              }
            ]
          },
          {
            "name": "SIMATIC IPC647E",
            "category": "product_name",
            "branches": [
              {
                "name": "All BIOS versions < V25.02.06",
                "category": "product_version_range",
                "product": {
                  "product_id": "16",
                  "name": "SIMATIC IPC647E"
                }
              }
            ]
          },
          {
            "name": "SIMATIC IPC677D",
            "category": "product_name",
            "branches": [
              {
                "name": "vers:all/*",
                "category": "product_version_range",
                "product": {
                  "product_id": "17",
                  "name": "SIMATIC IPC677D"
                }
              }
            ]
          },
          {
            "name": "SIMATIC IPC677E",
            "category": "product_name",
            "branches": [
              {
                "name": "All BIOS versions < V25.02.06",
                "category": "product_version_range",
                "product": {
                  "product_id": "18",
                  "name": "SIMATIC IPC677E"
                }
              }
            ]
          },
          {
            "name": "SIMATIC IPC827D",
            "category": "product_name",
            "branches": [
              {
                "name": "vers:all/*",
                "category": "product_version_range",
                "product": {
                  "product_id": "19",
                  "name": "SIMATIC IPC827D"
                }
              }
            ]
          },
          {
            "name": "SIMATIC IPC847D",
            "category": "product_name",
            "branches": [
              {
                "name": "vers:all/*",
                "category": "product_version_range",
                "product": {
                  "product_id": "20",
                  "name": "SIMATIC IPC847D"
                }
              }
            ]
          },
          {
            "name": "SIMATIC IPC847E",
            "category": "product_name",
            "branches": [
              {
                "name": "All BIOS versions < V25.02.06",
                "category": "product_version_range",
                "product": {
                  "product_id": "21",
                  "name": "SIMATIC IPC847E"
                }
              }
            ]
          },
          {
            "name": "SIMATIC IPC3000 SMART V2",
            "category": "product_name",
            "branches": [
              {
                "name": "< V1.B",
                "category": "product_version_range",
                "product": {
                  "product_id": "22",
                  "name": "SIMATIC IPC3000 SMART V2"
                }
              }
            ]
          },
          {
            "name": "SIMATIC ITP1000",
            "category": "product_name",
            "branches": [
              {
                "name": "All BIOS versions < V23.01.08",
                "category": "product_version_range",
                "product": {
                  "product_id": "23",
                  "name": "SIMATIC ITP1000"
                }
              }
            ]
          },
          {
            "name": "SIMOTION P320-4E",
            "category": "product_name",
            "branches": [
              {
                "name": "vers:all/*",
                "category": "product_version_range",
                "product": {
                  "product_id": "24",
                  "name": "SIMOTION P320-4E"
                }
              }
            ]
          },
          {
            "name": "SIMOTION P320-4S",
            "category": "product_name",
            "branches": [
              {
                "name": "vers:all/*",
                "category": "product_version_range",
                "product": {
                  "product_id": "25",
                  "name": "SIMOTION P320-4S"
                }
              }
            ]
          }
        ]
      }
    ]
  },
  "vulnerabilities": [
    {
      "title": "CVE-2020-0543",
      "notes": [
        {
          "title": "Summary",
          "category": "summary",
          "text": "Incomplete cleanup from specific special register read operations in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access."
        }
      ],
      "cve": "CVE-2020-0543",
      "cwe": {
        "id": "CWE-200",
        "name": "Exposure of Sensitive Information to an Unauthorized Actor"
      },
      "product_status": {
        "known_affected": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8",
          "9",
          "10",
          "11",
          "12",
          "13",
          "14",
          "15",
          "16",
          "17",
          "18",
          "19",
          "20",
          "21",
          "22",
          "23",
          "24",
          "25"
        ]
      },
      "scores": [
        {
          "cvss_v3": {
            "version": "3.1",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C"
          },
          "products": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10",
            "11",
            "12",
            "13",
            "14",
            "15",
            "16",
            "17",
            "18",
            "19",
            "20",
            "21",
            "22",
            "23",
            "24",
            "25"
          ]
        }
      ],
      "remediations": [
        {
          "product_ids": [
            "1",
            "4",
            "5",
            "7",
            "11",
            "13",
            "15",
            "17",
            "19",
            "20",
            "24",
            "25"
          ],
          "category": "no_fix_planned",
          "details": "Currently no remediation is planned"
        },
        {
          "product_ids": [
            "2"
          ],
          "category": "vendor_fix",
          "details": "Update BIOS to V22.01.08",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763408"
        },
        {
          "product_ids": [
            "3"
          ],
          "category": "vendor_fix",
          "details": "Update BIOS to V26.01.07",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763408"
        },
        {
          "product_ids": [
            "6",
            "8",
            "9"
          ],
          "category": "vendor_fix",
          "details": "Update BIOS to V21.01.14",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763408"
        },
        {
          "product_ids": [
            "10"
          ],
          "category": "vendor_fix",
          "details": "Update BIOS to V1.4.0",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763408"
        },
        {
          "product_ids": [
            "12"
          ],
          "category": "vendor_fix",
          "details": "Update BIOS to R1.28.0",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763408"
        },
        {
          "product_ids": [
            "14",
            "16",
            "18",
            "21"
          ],
          "category": "vendor_fix",
          "details": "Update BIOS to V25.02.06",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763408"
        },
        {
          "product_ids": [
            "22"
          ],
          "category": "vendor_fix",
          "details": "Update BIOS to V1.B or later version",
          "url": "https://support.industry.siemens.com/cs/cn/en/view/109763408/"
        },
        {
          "product_ids": [
            "23"
          ],
          "category": "vendor_fix",
          "details": "Update BIOS to V23.01.08",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763408"
        },
        {
          "product_ids": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10",
            "11",
            "12",
            "13",
            "14",
            "15",
            "16",
            "17",
            "18",
            "19",
            "20",
            "21",
            "22",
            "23",
            "24",
            "25"
          ],
          "category": "mitigation",
          "details": "As a prerequisite for an attack, an attacker must be able to run untrusted code on affected systems. Siemens recommends limiting the possibilities to run untrusted code if possible."
        },
        {
          "product_ids": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10",
            "11",
            "12",
            "13",
            "14",
            "15",
            "16",
            "17",
            "18",
            "19",
            "20",
            "21",
            "22",
            "23",
            "24",
            "25"
          ],
          "category": "mitigation",
          "details": "Applying a Defense-in-Depth concept can help to reduce the probability that untrusted code is run on the system. Siemens recommends to apply the Defense-in-Depth concept: https://www.siemens.com/industrialsecurity"
        }
      ],
      "references": [
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763408",
          "summary": "CVE-2020-0543 - SIMATIC Field PG M5"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763408",
          "summary": "CVE-2020-0543 - SIMATIC Field PG M6"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763408",
          "summary": "CVE-2020-0543 - SIMATIC IPC427E (incl. SIPLUS variants)"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763408",
          "summary": "CVE-2020-0543 - SIMATIC IPC477E"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763408",
          "summary": "CVE-2020-0543 - SIMATIC IPC477E Pro"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763408",
          "summary": "CVE-2020-0543 - SIMATIC IPC527G"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763408",
          "summary": "CVE-2020-0543 - SIMATIC IPC547G"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763408",
          "summary": "CVE-2020-0543 - SIMATIC IPC627E"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763408",
          "summary": "CVE-2020-0543 - SIMATIC IPC647E"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763408",
          "summary": "CVE-2020-0543 - SIMATIC IPC677E"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763408",
          "summary": "CVE-2020-0543 - SIMATIC IPC847E"
        },
        {
          "url": "https://support.industry.siemens.com/cs/cn/en/view/109763408/",
          "summary": "CVE-2020-0543 - SIMATIC IPC3000 SMART V2"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109763408",
          "summary": "CVE-2020-0543 - SIMATIC ITP1000"
        },
        {
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2020-0543.json",
          "summary": "CVE-2020-0543 Mitre 5.0 json"
        }
      ]
    }
  ]
}