{
  "document": {
    "title": "SSA-729965: TLS Certificate Validation Vulnerability in SINUMERIK Integrate Operate Client",
    "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-729965",
      "status": "final",
      "version": "1",
      "revision_history": [
        {
          "number": "1",
          "legacy_version": "1.0",
          "date": "2021-07-13T00:00:00Z",
          "summary": "Publication Date"
        }
      ],
      "initial_release_date": "2021-07-13T00:00:00Z",
      "current_release_date": "2021-07-13T00:00:00Z",
      "generator": {
        "engine": {
          "name": "Siemens ProductCERT CSAF Generator",
          "version": "1"
        }
      }
    },
    "notes": [
      {
        "title": "Summary",
        "category": "summary",
        "text": "The latest update for SINUMERIK Integrate Operate Client fixes a vulnerability that could allow an attacker to spoof any SSL server certificate and conduct man-in-the-middle attacks.\n\nSiemens is preparing updates and 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-729965.pdf",
        "summary": "SSA-729965: TLS Certificate Validation Vulnerability in SINUMERIK Integrate Operate Client - PDF Version"
      },
      {
        "category": "self",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-729965.txt",
        "summary": "SSA-729965: TLS Certificate Validation Vulnerability in SINUMERIK Integrate Operate Client - TXT Version"
      },
      {
        "category": "self",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-729965.json",
        "summary": "SSA-729965: TLS Certificate Validation Vulnerability in SINUMERIK Integrate Operate Client - CSAF Version"
      }
    ]
  },
  "product_tree": {
    "branches": [
      {
        "name": "Siemens",
        "category": "vendor",
        "branches": [
          {
            "name": "SINUMERIK Analyse MyCondition",
            "category": "product_name",
            "branches": [
              {
                "name": "vers:all/*",
                "category": "product_version_range",
                "product": {
                  "product_id": "1",
                  "name": "SINUMERIK Analyse MyCondition"
                }
              }
            ]
          },
          {
            "name": "SINUMERIK Analyze MyPerformance",
            "category": "product_name",
            "branches": [
              {
                "name": "vers:all/*",
                "category": "product_version_range",
                "product": {
                  "product_id": "2",
                  "name": "SINUMERIK Analyze MyPerformance"
                }
              }
            ]
          },
          {
            "name": "SINUMERIK Analyze MyPerformance /OEE-Monitor",
            "category": "product_name",
            "branches": [
              {
                "name": "vers:all/*",
                "category": "product_version_range",
                "product": {
                  "product_id": "3",
                  "name": "SINUMERIK Analyze MyPerformance /OEE-Monitor"
                }
              }
            ]
          },
          {
            "name": "SINUMERIK Analyze MyPerformance /OEE-Tuning",
            "category": "product_name",
            "branches": [
              {
                "name": "vers:all/*",
                "category": "product_version_range",
                "product": {
                  "product_id": "4",
                  "name": "SINUMERIK Analyze MyPerformance /OEE-Tuning"
                }
              }
            ]
          },
          {
            "name": "SINUMERIK Integrate Client 02",
            "category": "product_name",
            "branches": [
              {
                "name": ">= V02.00.12 < 02.00.18",
                "category": "product_version_range",
                "product": {
                  "product_id": "5",
                  "name": "SINUMERIK Integrate Client 02"
                }
              }
            ]
          },
          {
            "name": "SINUMERIK Integrate Client 03",
            "category": "product_name",
            "branches": [
              {
                "name": ">= V03.00.12 < 03.00.18",
                "category": "product_version_range",
                "product": {
                  "product_id": "6",
                  "name": "SINUMERIK Integrate Client 03"
                }
              }
            ]
          },
          {
            "name": "SINUMERIK Integrate Client 04",
            "category": "product_name",
            "branches": [
              {
                "name": "V04.00.02 and all versions >= V04.00.15 < 04.00.18",
                "category": "product_version_range",
                "product": {
                  "product_id": "7",
                  "name": "SINUMERIK Integrate Client 04"
                }
              }
            ]
          },
          {
            "name": "SINUMERIK Integrate for Production 4.1",
            "category": "product_name",
            "branches": [
              {
                "name": "< V4.1 SP10 HF3",
                "category": "product_version_range",
                "product": {
                  "product_id": "8",
                  "name": "SINUMERIK Integrate for Production 4.1"
                }
              }
            ]
          },
          {
            "name": "SINUMERIK Integrate for Production 5.1",
            "category": "product_name",
            "branches": [
              {
                "name": "V5.1",
                "category": "product_version_range",
                "product": {
                  "product_id": "9",
                  "name": "SINUMERIK Integrate for Production 5.1"
                }
              }
            ]
          },
          {
            "name": "SINUMERIK Manage MyMachines",
            "category": "product_name",
            "branches": [
              {
                "name": "vers:all/*",
                "category": "product_version_range",
                "product": {
                  "product_id": "10",
                  "name": "SINUMERIK Manage MyMachines"
                }
              }
            ]
          },
          {
            "name": "SINUMERIK Manage MyMachines /Remote",
            "category": "product_name",
            "branches": [
              {
                "name": "vers:all/*",
                "category": "product_version_range",
                "product": {
                  "product_id": "11",
                  "name": "SINUMERIK Manage MyMachines /Remote"
                }
              }
            ]
          },
          {
            "name": "SINUMERIK Manage MyMachines /Spindel Monitor",
            "category": "product_name",
            "branches": [
              {
                "name": "vers:all/*",
                "category": "product_version_range",
                "product": {
                  "product_id": "12",
                  "name": "SINUMERIK Manage MyMachines /Spindel Monitor"
                }
              }
            ]
          },
          {
            "name": "SINUMERIK Manage MyPrograms",
            "category": "product_name",
            "branches": [
              {
                "name": "vers:all/*",
                "category": "product_version_range",
                "product": {
                  "product_id": "13",
                  "name": "SINUMERIK Manage MyPrograms"
                }
              }
            ]
          },
          {
            "name": "SINUMERIK Manage MyResources /Programs",
            "category": "product_name",
            "branches": [
              {
                "name": "vers:all/*",
                "category": "product_version_range",
                "product": {
                  "product_id": "14",
                  "name": "SINUMERIK Manage MyResources /Programs"
                }
              }
            ]
          },
          {
            "name": "SINUMERIK Manage MyResources /Tools",
            "category": "product_name",
            "branches": [
              {
                "name": "vers:all/*",
                "category": "product_version_range",
                "product": {
                  "product_id": "15",
                  "name": "SINUMERIK Manage MyResources /Tools"
                }
              }
            ]
          },
          {
            "name": "SINUMERIK Manage MyTools",
            "category": "product_name",
            "branches": [
              {
                "name": "vers:all/*",
                "category": "product_version_range",
                "product": {
                  "product_id": "16",
                  "name": "SINUMERIK Manage MyTools"
                }
              }
            ]
          },
          {
            "name": "SINUMERIK Operate V4.8",
            "category": "product_name",
            "branches": [
              {
                "name": "< V4.8 SP8",
                "category": "product_version_range",
                "product": {
                  "product_id": "17",
                  "name": "SINUMERIK Operate V4.8"
                }
              }
            ]
          },
          {
            "name": "SINUMERIK Operate V4.93",
            "category": "product_name",
            "branches": [
              {
                "name": "< V4.93 HF7",
                "category": "product_version_range",
                "product": {
                  "product_id": "18",
                  "name": "SINUMERIK Operate V4.93"
                }
              }
            ]
          },
          {
            "name": "SINUMERIK Operate V4.94",
            "category": "product_name",
            "branches": [
              {
                "name": "< V4.94 HF5",
                "category": "product_version_range",
                "product": {
                  "product_id": "19",
                  "name": "SINUMERIK Operate V4.94"
                }
              }
            ]
          },
          {
            "name": "SINUMERIK Optimize MyProgramming /NX-Cam Editor",
            "category": "product_name",
            "branches": [
              {
                "name": "vers:all/*",
                "category": "product_version_range",
                "product": {
                  "product_id": "20",
                  "name": "SINUMERIK Optimize MyProgramming /NX-Cam Editor"
                }
              }
            ]
          }
        ]
      }
    ]
  },
  "vulnerabilities": [
    {
      "title": "CVE-2021-31892",
      "notes": [
        {
          "title": "Summary",
          "category": "summary",
          "text": "Due to an error in a third-party dependency the ssl flags used for setting up a TLS connection to a server are overwitten with wrong settings. This results in a missing validation of the server certificate and thus in a possible TLS MITM szenario."
        }
      ],
      "cve": "CVE-2021-31892",
      "cwe": {
        "id": "CWE-295",
        "name": "Improper Certificate Validation"
      },
      "product_status": {
        "known_affected": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8",
          "9",
          "10",
          "11",
          "12",
          "13",
          "14",
          "15",
          "16",
          "17",
          "18",
          "19",
          "20"
        ]
      },
      "scores": [
        {
          "cvss_v3": {
            "version": "3.1",
            "baseScore": 7.4,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/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"
          ]
        }
      ],
      "remediations": [
        {
          "product_ids": [
            "1",
            "2",
            "3",
            "4",
            "8",
            "9",
            "10",
            "11",
            "12",
            "13",
            "14",
            "15",
            "16",
            "20"
          ],
          "category": "vendor_fix",
          "details": "Update SINUMERIK Integrate Client"
        },
        {
          "product_ids": [
            "5"
          ],
          "category": "vendor_fix",
          "details": "Update to V02.00.18"
        },
        {
          "product_ids": [
            "6"
          ],
          "category": "vendor_fix",
          "details": "Update to V03.00.18"
        },
        {
          "product_ids": [
            "7"
          ],
          "category": "vendor_fix",
          "details": "Update to V04.00.18"
        },
        {
          "product_ids": [
            "17"
          ],
          "category": "vendor_fix",
          "details": "Update SINUMERIK Operate to V4.8 SP8 or update included SINUMERIK Integrate Client"
        },
        {
          "product_ids": [
            "18"
          ],
          "category": "vendor_fix",
          "details": "Update SINUMERIK Operate to V4.93 HF7 or update included SINUMERIK Integrate Client"
        },
        {
          "product_ids": [
            "19"
          ],
          "category": "vendor_fix",
          "details": "Update SINUMERIK Operate to V4.94 HF5 or update included SINUMERIK Integrate Client"
        }
      ],
      "references": [
        {
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-31892.json",
          "summary": "CVE-2021-31892 Mitre 5.0 json"
        }
      ]
    }
  ]
}