{
  "document": {
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Disclosure is not limited. (TLPv2: TLP:CLEAR)",
      "tlp": {
        "label": "WHITE"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "The Video Server application in SiNVR/SiVMS solutions contains two vulnerabilities\ninvolving authentication bypass (CVE-2019-18339) and information disclosure (CVE-2019-18340).\n\nPKE has released an update of the application that fixes CVE-2019-18339.\nThis update is not available under the former Siemens OEM brand name SiNVR. For details contact PKE (\nhttps://pke.at/).\nSiemens recommends specific countermeasures to mitigate the vulnerabilities.",
        "title": "Summary"
      },
      {
        "category": "general",
        "text": "As a general security measure Siemens strongly recommends to protect network access to affected products with appropriate mechanisms. It is advised to follow recommended security practices in order to run the devices in a protected IT environment.",
        "title": "General Recommendations"
      },
      {
        "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": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "Siemens Security Advisories are subject to the terms and conditions contained in Siemens\u0027 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\u0027 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.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "productcert@siemens.com",
      "name": "Siemens ProductCERT",
      "namespace": "https://www.siemens.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "SSA-761617: Authentication Bypass and Information Disclosure Vulnerabilities in SiNVR/SiVMS Video Server - HTML Version",
        "url": "https://cert-portal.siemens.com/productcert/html/ssa-761617.html"
      },
      {
        "category": "self",
        "summary": "SSA-761617: Authentication Bypass and Information Disclosure Vulnerabilities in SiNVR/SiVMS Video Server - CSAF Version",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-761617.json"
      },
      {
        "category": "self",
        "summary": "SSA-761617: Authentication Bypass and Information Disclosure Vulnerabilities in SiNVR/SiVMS Video Server - PDF Version",
        "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-761617.pdf"
      },
      {
        "category": "self",
        "summary": "SSA-761617: Authentication Bypass and Information Disclosure Vulnerabilities in SiNVR/SiVMS Video Server - TXT Version",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-761617.txt"
      }
    ],
    "title": "SSA-761617: Authentication Bypass and Information Disclosure Vulnerabilities in SiNVR/SiVMS Video Server",
    "tracking": {
      "current_release_date": "2024-01-09T00:00:00Z",
      "generator": {
        "engine": {
          "name": "Siemens ProductCERT CSAF Generator",
          "version": "1"
        }
      },
      "id": "SSA-761617",
      "initial_release_date": "2019-12-10T00:00:00Z",
      "revision_history": [
        {
          "date": "2019-12-10T00:00:00Z",
          "legacy_version": "1.0",
          "number": "1",
          "summary": "Publication Date"
        },
        {
          "date": "2021-04-13T00:00:00Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Added partial solution for SiNVR/SiVMS Video Server; removed information for Control Center Server (CCS), which is now addressed in SSA-761844"
        },
        {
          "date": "2024-01-09T00:00:00Z",
          "legacy_version": "1.2",
          "number": "3",
          "summary": "Cleanup: removed orphaned links to vendor advisories and software downloads"
        }
      ],
      "status": "interim",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cV5.0.0",
                "product": {
                  "name": "SiNVR/SiVMS Video Server",
                  "product_id": "1"
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003e=V5.0.0",
                "product": {
                  "name": "SiNVR/SiVMS Video Server",
                  "product_id": "2"
                }
              }
            ],
            "category": "product_name",
            "name": "SiNVR/SiVMS Video Server"
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2019-18339",
      "cwe": {
        "id": "CWE-306",
        "name": "Missing Authentication for Critical Function"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The HTTP service (default port 5401/tcp) of the SiVMS/SiNVR Video Server\ncontains an authentication bypass vulnerability, even when properly\nconfigured with enforced authentication.\n\nA remote attacker with network access to the Video Server could \nexploit this vulnerability to read the SiVMS/SiNVR users database, including\nthe passwords of all users in obfuscated cleartext.\n",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "1"
        ]
      },
      "remediations": [
        {
          "category": "mitigation",
          "details": "Apply ACL/firewall configuration on the Video Servers to ensure that only legitimate systems are able to access the configured server ports. Harden all systems accordingly to prevent unauthorized access",
          "product_ids": [
            "1"
          ]
        },
        {
          "category": "mitigation",
          "details": "CVE-2019-18339: SiNVR/SiVMS deployments with active Control Center Server (CCS) should ensure that every video server and client has the Authorization Server set to \"Control Center Server\" (Configuration -\u003e Appearance -\u003e Desktop -\u003e Authorization Server)",
          "product_ids": [
            "1"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update to V5.0.0 or later version",
          "product_ids": [
            "1"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "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:F/RL:U/RC:C",
            "version": "3.1"
          },
          "products": [
            "1"
          ]
        }
      ],
      "title": "CVE-2019-18339"
    },
    {
      "cve": "CVE-2019-18340",
      "cwe": {
        "id": "CWE-327",
        "name": "Use of a Broken or Risky Cryptographic Algorithm"
      },
      "notes": [
        {
          "category": "summary",
          "text": "Both the SiVMS/SiNVR Video Server and the Control Center Server (CCS) store\nuser and device passwords by applying weak cryptography.\n\nA local attacker could exploit this vulnerability to extract\nthe passwords from the user database and/or the device configuration files\nto conduct further attacks.\n",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "1",
          "2"
        ]
      },
      "remediations": [
        {
          "category": "mitigation",
          "details": "Apply ACL/firewall configuration on the Video Servers to ensure that only legitimate systems are able to access the configured server ports. Harden all systems accordingly to prevent unauthorized access",
          "product_ids": [
            "1",
            "2"
          ]
        },
        {
          "category": "mitigation",
          "details": "CVE-2019-18340: Harden the Video Servers to prevent local access by unauthorized users",
          "product_ids": [
            "1",
            "2"
          ]
        },
        {
          "category": "no_fix_planned",
          "details": "Currently no fix is planned",
          "product_ids": [
            "2"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update to V5.0.0 or later version",
          "product_ids": [
            "1"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "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:F/RL:U/RC:C",
            "version": "3.1"
          },
          "products": [
            "1",
            "2"
          ]
        }
      ],
      "title": "CVE-2019-18340"
    }
  ]
}