{
  "document": {
    "title": "SSA-787292: Denial of Service Vulnerability in SIMATIC RFID Readers",
    "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-787292",
      "status": "final",
      "version": "3",
      "revision_history": [
        {
          "number": "1",
          "legacy_version": "1.0",
          "date": "2021-06-08T00:00:00Z",
          "summary": "Publication Date"
        },
        {
          "number": "2",
          "legacy_version": "1.1",
          "date": "2022-04-12T00:00:00Z",
          "summary": "Added solution for SIMATIC RF600R family and clarified list of affected devices"
        },
        {
          "number": "3",
          "legacy_version": "1.2",
          "date": "2022-05-10T00:00:00Z",
          "summary": "Added solution for SIMATIC RF360R"
        }
      ],
      "initial_release_date": "2021-06-08T00:00:00Z",
      "current_release_date": "2022-05-10T00:00:00Z",
      "generator": {
        "engine": {
          "name": "Siemens ProductCERT CSAF Generator",
          "version": "1"
        }
      }
    },
    "notes": [
      {
        "title": "Summary",
        "category": "summary",
        "text": "The latest updates for SIMATIC RF products fix a vulnerability that could allow an unauthorized attacker to crash the OPC UA service of the affected devices.\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-787292.pdf",
        "summary": "SSA-787292: Denial of Service Vulnerability in SIMATIC RFID Readers - PDF Version"
      },
      {
        "category": "self",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-787292.txt",
        "summary": "SSA-787292: Denial of Service Vulnerability in SIMATIC RFID Readers - TXT Version"
      },
      {
        "category": "self",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-787292.json",
        "summary": "SSA-787292: Denial of Service Vulnerability in SIMATIC RFID Readers - CSAF Version"
      }
    ]
  },
  "product_tree": {
    "branches": [
      {
        "name": "Siemens",
        "category": "vendor",
        "branches": [
          {
            "name": "SIMATIC Reader RF610R CMIIT",
            "category": "product_name",
            "branches": [
              {
                "name": "> V3.0 < V4.0",
                "category": "product_version_range",
                "product": {
                  "product_id": "1",
                  "name": "SIMATIC Reader RF610R CMIIT",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GT2811-6BC10-2AA0"
                    ]
                  }
                }
              }
            ]
          },
          {
            "name": "SIMATIC Reader RF610R ETSI",
            "category": "product_name",
            "branches": [
              {
                "name": "> V3.0 < V4.0",
                "category": "product_version_range",
                "product": {
                  "product_id": "2",
                  "name": "SIMATIC Reader RF610R ETSI",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GT2811-6BC10-0AA0"
                    ]
                  }
                }
              }
            ]
          },
          {
            "name": "SIMATIC Reader RF610R FCC",
            "category": "product_name",
            "branches": [
              {
                "name": "> V3.0 < V4.0",
                "category": "product_version_range",
                "product": {
                  "product_id": "3",
                  "name": "SIMATIC Reader RF610R FCC",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GT2811-6BC10-1AA0"
                    ]
                  }
                }
              }
            ]
          },
          {
            "name": "SIMATIC Reader RF615R CMIIT",
            "category": "product_name",
            "branches": [
              {
                "name": "> V3.0 < V4.0",
                "category": "product_version_range",
                "product": {
                  "product_id": "4",
                  "name": "SIMATIC Reader RF615R CMIIT",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GT2811-6CC10-2AA0"
                    ]
                  }
                }
              }
            ]
          },
          {
            "name": "SIMATIC Reader RF615R ETSI",
            "category": "product_name",
            "branches": [
              {
                "name": "> V3.0 < V4.0",
                "category": "product_version_range",
                "product": {
                  "product_id": "5",
                  "name": "SIMATIC Reader RF615R ETSI",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GT2811-6CC10-0AA0"
                    ]
                  }
                }
              }
            ]
          },
          {
            "name": "SIMATIC Reader RF615R FCC",
            "category": "product_name",
            "branches": [
              {
                "name": "> V3.0 < V4.0",
                "category": "product_version_range",
                "product": {
                  "product_id": "6",
                  "name": "SIMATIC Reader RF615R FCC",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GT2811-6CC10-1AA0"
                    ]
                  }
                }
              }
            ]
          },
          {
            "name": "SIMATIC Reader RF650R ARIB",
            "category": "product_name",
            "branches": [
              {
                "name": "> V3.0 < V4.0",
                "category": "product_version_range",
                "product": {
                  "product_id": "7",
                  "name": "SIMATIC Reader RF650R ARIB",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GT2811-6AB20-4AA0"
                    ]
                  }
                }
              }
            ]
          },
          {
            "name": "SIMATIC Reader RF650R CMIIT",
            "category": "product_name",
            "branches": [
              {
                "name": "> V3.0 < V4.0",
                "category": "product_version_range",
                "product": {
                  "product_id": "8",
                  "name": "SIMATIC Reader RF650R CMIIT",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GT2811-6AB20-2AA0"
                    ]
                  }
                }
              }
            ]
          },
          {
            "name": "SIMATIC Reader RF650R ETSI",
            "category": "product_name",
            "branches": [
              {
                "name": "> V3.0 < V4.0",
                "category": "product_version_range",
                "product": {
                  "product_id": "9",
                  "name": "SIMATIC Reader RF650R ETSI",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GT2811-6AB20-0AA0"
                    ]
                  }
                }
              }
            ]
          },
          {
            "name": "SIMATIC Reader RF650R FCC",
            "category": "product_name",
            "branches": [
              {
                "name": "> V3.0 < V4.0",
                "category": "product_version_range",
                "product": {
                  "product_id": "10",
                  "name": "SIMATIC Reader RF650R FCC",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GT2811-6AB20-1AA0"
                    ]
                  }
                }
              }
            ]
          },
          {
            "name": "SIMATIC Reader RF680R ARIB",
            "category": "product_name",
            "branches": [
              {
                "name": "> V3.0 < V4.0",
                "category": "product_version_range",
                "product": {
                  "product_id": "11",
                  "name": "SIMATIC Reader RF680R ARIB",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GT2811-6AA10-4AA0"
                    ]
                  }
                }
              }
            ]
          },
          {
            "name": "SIMATIC Reader RF680R CMIIT",
            "category": "product_name",
            "branches": [
              {
                "name": "> V3.0 < V4.0",
                "category": "product_version_range",
                "product": {
                  "product_id": "12",
                  "name": "SIMATIC Reader RF680R CMIIT",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GT2811-6AA10-2AA0"
                    ]
                  }
                }
              }
            ]
          },
          {
            "name": "SIMATIC Reader RF680R ETSI",
            "category": "product_name",
            "branches": [
              {
                "name": "> V3.0 < V4.0",
                "category": "product_version_range",
                "product": {
                  "product_id": "13",
                  "name": "SIMATIC Reader RF680R ETSI",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GT2811-6AA10-0AA0"
                    ]
                  }
                }
              }
            ]
          },
          {
            "name": "SIMATIC Reader RF680R FCC",
            "category": "product_name",
            "branches": [
              {
                "name": "> V3.0 < V4.0",
                "category": "product_version_range",
                "product": {
                  "product_id": "14",
                  "name": "SIMATIC Reader RF680R FCC",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GT2811-6AA10-1AA0"
                    ]
                  }
                }
              }
            ]
          },
          {
            "name": "SIMATIC Reader RF685R ARIB",
            "category": "product_name",
            "branches": [
              {
                "name": "> V3.0 < V4.0",
                "category": "product_version_range",
                "product": {
                  "product_id": "15",
                  "name": "SIMATIC Reader RF685R ARIB",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GT2811-6CA10-4AA0"
                    ]
                  }
                }
              }
            ]
          },
          {
            "name": "SIMATIC Reader RF685R CMIIT",
            "category": "product_name",
            "branches": [
              {
                "name": "> V3.0 < V4.0",
                "category": "product_version_range",
                "product": {
                  "product_id": "16",
                  "name": "SIMATIC Reader RF685R CMIIT",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GT2811-6CA10-2AA0"
                    ]
                  }
                }
              }
            ]
          },
          {
            "name": "SIMATIC Reader RF685R ETSI",
            "category": "product_name",
            "branches": [
              {
                "name": "> V3.0 < V4.0",
                "category": "product_version_range",
                "product": {
                  "product_id": "17",
                  "name": "SIMATIC Reader RF685R ETSI",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GT2811-6CA10-0AA0"
                    ]
                  }
                }
              }
            ]
          },
          {
            "name": "SIMATIC Reader RF685R FCC",
            "category": "product_name",
            "branches": [
              {
                "name": "> V3.0 < V4.0",
                "category": "product_version_range",
                "product": {
                  "product_id": "18",
                  "name": "SIMATIC Reader RF685R FCC",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GT2811-6CA10-1AA0"
                    ]
                  }
                }
              }
            ]
          },
          {
            "name": "SIMATIC RF166C",
            "category": "product_name",
            "branches": [
              {
                "name": "> V1.1 and < V1.3.2",
                "category": "product_version_range",
                "product": {
                  "product_id": "19",
                  "name": "SIMATIC RF166C",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GT2002-0EE20"
                    ]
                  }
                }
              }
            ]
          },
          {
            "name": "SIMATIC RF185C",
            "category": "product_name",
            "branches": [
              {
                "name": "> V1.1 and < V1.3.2",
                "category": "product_version_range",
                "product": {
                  "product_id": "20",
                  "name": "SIMATIC RF185C",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GT2002-0JE10"
                    ]
                  }
                }
              }
            ]
          },
          {
            "name": "SIMATIC RF186C",
            "category": "product_name",
            "branches": [
              {
                "name": "> V1.1 and < V1.3.2",
                "category": "product_version_range",
                "product": {
                  "product_id": "21",
                  "name": "SIMATIC RF186C",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GT2002-0JE20"
                    ]
                  }
                }
              }
            ]
          },
          {
            "name": "SIMATIC RF186CI",
            "category": "product_name",
            "branches": [
              {
                "name": "> V1.1 and < V1.3.2",
                "category": "product_version_range",
                "product": {
                  "product_id": "22",
                  "name": "SIMATIC RF186CI",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GT2002-0JE50"
                    ]
                  }
                }
              }
            ]
          },
          {
            "name": "SIMATIC RF188C",
            "category": "product_name",
            "branches": [
              {
                "name": "> V1.1 and < V1.3.2",
                "category": "product_version_range",
                "product": {
                  "product_id": "23",
                  "name": "SIMATIC RF188C",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GT2002-0JE40"
                    ]
                  }
                }
              }
            ]
          },
          {
            "name": "SIMATIC RF188CI",
            "category": "product_name",
            "branches": [
              {
                "name": "> V1.1 and < V1.3.2",
                "category": "product_version_range",
                "product": {
                  "product_id": "24",
                  "name": "SIMATIC RF188CI",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GT2002-0JE60"
                    ]
                  }
                }
              }
            ]
          },
          {
            "name": "SIMATIC RF360R",
            "category": "product_name",
            "branches": [
              {
                "name": "< V2.0",
                "category": "product_version_range",
                "product": {
                  "product_id": "25",
                  "name": "SIMATIC RF360R",
                  "product_identification_helper": {
                    "model_numbers": [
                      "6GT2801-5BA30"
                    ]
                  }
                }
              }
            ]
          }
        ]
      }
    ]
  },
  "vulnerabilities": [
    {
      "title": "CVE-2021-31340",
      "notes": [
        {
          "title": "Summary",
          "category": "summary",
          "text": "Affected devices do not properly handle large numbers of incoming connections. An attacker may leverage this to cause a Denial-of-Service situation."
        }
      ],
      "cve": "CVE-2021-31340",
      "cwe": {
        "id": "CWE-400",
        "name": "Uncontrolled Resource Consumption"
      },
      "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": 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",
            "9",
            "10",
            "11",
            "12",
            "13",
            "14",
            "15",
            "16",
            "17",
            "18",
            "19",
            "20",
            "21",
            "22",
            "23",
            "24",
            "25"
          ]
        }
      ],
      "remediations": [
        {
          "product_ids": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10",
            "11",
            "12",
            "13",
            "14",
            "15",
            "16",
            "17",
            "18"
          ],
          "category": "vendor_fix",
          "details": "Update to V4.0 or later version",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361"
        },
        {
          "product_ids": [
            "19",
            "20",
            "21",
            "22",
            "23",
            "24"
          ],
          "category": "vendor_fix",
          "details": "Update to V1.3.2",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109768507"
        },
        {
          "product_ids": [
            "25"
          ],
          "category": "vendor_fix",
          "details": "Update to V2.0 or later version",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808759"
        },
        {
          "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": "Deactivate the OPC-UA feature of affected devices"
        }
      ],
      "references": [
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361",
          "summary": "CVE-2021-31340 - SIMATIC Reader RF610R CMIIT"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361",
          "summary": "CVE-2021-31340 - SIMATIC Reader RF610R ETSI"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361",
          "summary": "CVE-2021-31340 - SIMATIC Reader RF610R FCC"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361",
          "summary": "CVE-2021-31340 - SIMATIC Reader RF615R CMIIT"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361",
          "summary": "CVE-2021-31340 - SIMATIC Reader RF615R ETSI"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361",
          "summary": "CVE-2021-31340 - SIMATIC Reader RF615R FCC"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361",
          "summary": "CVE-2021-31340 - SIMATIC Reader RF650R ARIB"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361",
          "summary": "CVE-2021-31340 - SIMATIC Reader RF650R CMIIT"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361",
          "summary": "CVE-2021-31340 - SIMATIC Reader RF650R ETSI"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361",
          "summary": "CVE-2021-31340 - SIMATIC Reader RF650R FCC"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361",
          "summary": "CVE-2021-31340 - SIMATIC Reader RF680R ARIB"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361",
          "summary": "CVE-2021-31340 - SIMATIC Reader RF680R CMIIT"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361",
          "summary": "CVE-2021-31340 - SIMATIC Reader RF680R ETSI"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361",
          "summary": "CVE-2021-31340 - SIMATIC Reader RF680R FCC"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361",
          "summary": "CVE-2021-31340 - SIMATIC Reader RF685R ARIB"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361",
          "summary": "CVE-2021-31340 - SIMATIC Reader RF685R CMIIT"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361",
          "summary": "CVE-2021-31340 - SIMATIC Reader RF685R ETSI"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808361",
          "summary": "CVE-2021-31340 - SIMATIC Reader RF685R FCC"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109768507",
          "summary": "CVE-2021-31340 - SIMATIC RF166C"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109768507",
          "summary": "CVE-2021-31340 - SIMATIC RF185C"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109768507",
          "summary": "CVE-2021-31340 - SIMATIC RF186C"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109768507",
          "summary": "CVE-2021-31340 - SIMATIC RF186CI"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109768507",
          "summary": "CVE-2021-31340 - SIMATIC RF188C"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109768507",
          "summary": "CVE-2021-31340 - SIMATIC RF188CI"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808759",
          "summary": "CVE-2021-31340 - SIMATIC RF360R"
        },
        {
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-31340.json",
          "summary": "CVE-2021-31340 Mitre 5.0 json"
        }
      ]
    }
  ]
}