{
  "document": {
    "title": "SSA-755517: Path Traversal Vulnerability in Siveillance Video DLNA Server",
    "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-755517",
      "status": "final",
      "version": "1",
      "revision_history": [
        {
          "number": "1",
          "legacy_version": "1.0",
          "date": "2021-11-09T00:00:00Z",
          "summary": "Publication Date"
        }
      ],
      "initial_release_date": "2021-11-09T00:00:00Z",
      "current_release_date": "2021-11-09T00:00:00Z",
      "generator": {
        "engine": {
          "name": "Siemens ProductCERT CSAF Generator",
          "version": "1"
        }
      }
    },
    "notes": [
      {
        "title": "Summary",
        "category": "summary",
        "text": "Siemens has released hotfixes for Siveillance Video DLNA Server, which fix a path traversal vulnerability that could allow an authenticated remote attacker to access sensitive information on the DLNA server.\n\nSiemens has released updates for the DLNA server and recommends to apply the update on all installations where DLNA server used."
      },
      {
        "title": "General Recommendations",
        "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": "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-755517.pdf",
        "summary": "SSA-755517: Path Traversal Vulnerability in Siveillance Video DLNA Server - PDF Version"
      },
      {
        "category": "self",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-755517.txt",
        "summary": "SSA-755517: Path Traversal Vulnerability in Siveillance Video DLNA Server - TXT Version"
      },
      {
        "category": "self",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-755517.json",
        "summary": "SSA-755517: Path Traversal Vulnerability in Siveillance Video DLNA Server - CSAF Version"
      }
    ],
    "acknowledgments": [
      {
        "organization": "Milestone PSIRT",
        "summary": "reporting and coordinated disclosure"
      }
    ]
  },
  "product_tree": {
    "branches": [
      {
        "name": "Siemens",
        "category": "vendor",
        "branches": [
          {
            "name": "Siveillance Video DLNA Server",
            "category": "product_name",
            "branches": [
              {
                "name": "2019 R1",
                "category": "product_version_range",
                "product": {
                  "product_id": "1",
                  "name": "Siveillance Video DLNA Server"
                }
              }
            ]
          },
          {
            "name": "Siveillance Video DLNA Server",
            "category": "product_name",
            "branches": [
              {
                "name": "2019 R2",
                "category": "product_version_range",
                "product": {
                  "product_id": "2",
                  "name": "Siveillance Video DLNA Server"
                }
              }
            ]
          },
          {
            "name": "Siveillance Video DLNA Server",
            "category": "product_name",
            "branches": [
              {
                "name": "2019 R3",
                "category": "product_version_range",
                "product": {
                  "product_id": "3",
                  "name": "Siveillance Video DLNA Server"
                }
              }
            ]
          },
          {
            "name": "Siveillance Video DLNA Server",
            "category": "product_name",
            "branches": [
              {
                "name": "2020 R1",
                "category": "product_version_range",
                "product": {
                  "product_id": "4",
                  "name": "Siveillance Video DLNA Server"
                }
              }
            ]
          },
          {
            "name": "Siveillance Video DLNA Server",
            "category": "product_name",
            "branches": [
              {
                "name": "2020 R2",
                "category": "product_version_range",
                "product": {
                  "product_id": "5",
                  "name": "Siveillance Video DLNA Server"
                }
              }
            ]
          },
          {
            "name": "Siveillance Video DLNA Server",
            "category": "product_name",
            "branches": [
              {
                "name": "2020 R3",
                "category": "product_version_range",
                "product": {
                  "product_id": "6",
                  "name": "Siveillance Video DLNA Server"
                }
              }
            ]
          },
          {
            "name": "Siveillance Video DLNA Server",
            "category": "product_name",
            "branches": [
              {
                "name": "2021 R1",
                "category": "product_version_range",
                "product": {
                  "product_id": "7",
                  "name": "Siveillance Video DLNA Server"
                }
              }
            ]
          }
        ]
      }
    ]
  },
  "vulnerabilities": [
    {
      "title": "CVE-2021-42021",
      "notes": [
        {
          "title": "Summary",
          "category": "summary",
          "text": "The affected application contains a path traversal vulnerability that could allow to read arbitrary files on the server that are outside the application’s web document directory.\n\nAn unauthenticated remote attacker could exploit this issue to access sensitive information for subsequent attacks."
        }
      ],
      "cve": "CVE-2021-42021",
      "cwe": {
        "id": "CWE-26",
        "name": "Path Traversal: '/dir/../filename'"
      },
      "product_status": {
        "known_affected": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7"
        ]
      },
      "scores": [
        {
          "cvss_v3": {
            "version": "3.1",
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N/E:P/RL:O/RC:C"
          },
          "products": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7"
          ]
        }
      ],
      "remediations": [
        {
          "product_ids": [
            "1"
          ],
          "category": "vendor_fix",
          "details": "Apply the hotfix using the latest available installer for the DLNA Server",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109766085/"
        },
        {
          "product_ids": [
            "2"
          ],
          "category": "vendor_fix",
          "details": "Apply the hotfix using the latest available installer for the DLNA Server",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109769052/"
        },
        {
          "product_ids": [
            "3"
          ],
          "category": "vendor_fix",
          "details": "Apply the hotfix using the latest available installer for the DLNA Server",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109773456/"
        },
        {
          "product_ids": [
            "4"
          ],
          "category": "vendor_fix",
          "details": "Apply the hotfix using the latest available installer for the DLNA Server",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109779088/"
        },
        {
          "product_ids": [
            "5"
          ],
          "category": "vendor_fix",
          "details": "Apply the hotfix using the latest available installer for the DLNA Server",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109781128/"
        },
        {
          "product_ids": [
            "6"
          ],
          "category": "vendor_fix",
          "details": "Apply the hotfix using the latest available installer for the DLNA Server",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109791980/"
        },
        {
          "product_ids": [
            "7"
          ],
          "category": "vendor_fix",
          "details": "Apply the hotfix using the latest available installer for the DLNA Server",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801904/"
        },
        {
          "product_ids": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7"
          ],
          "category": "mitigation",
          "details": "Disable the DLNA Server, if not in use. Note: By default, the DLNA server is not installed with the other components of Siveillance Video"
        }
      ],
      "references": [
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109766085/",
          "summary": "CVE-2021-42021 - Siveillance Video DLNA Server"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109769052/",
          "summary": "CVE-2021-42021 - Siveillance Video DLNA Server"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109773456/",
          "summary": "CVE-2021-42021 - Siveillance Video DLNA Server"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109779088/",
          "summary": "CVE-2021-42021 - Siveillance Video DLNA Server"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109781128/",
          "summary": "CVE-2021-42021 - Siveillance Video DLNA Server"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109791980/",
          "summary": "CVE-2021-42021 - Siveillance Video DLNA Server"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801904/",
          "summary": "CVE-2021-42021 - Siveillance Video DLNA Server"
        },
        {
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-42021.json",
          "summary": "CVE-2021-42021 Mitre 5.0 json"
        }
      ]
    }
  ]
}