{
  "document": {
    "title": "SSA-835377: Missing Authentication Vulnerability in SINEMA 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-835377",
      "status": "final",
      "version": "1",
      "revision_history": [
        {
          "number": "1",
          "legacy_version": "1.0",
          "date": "2021-09-14T00:00:00Z",
          "summary": "Publication Date"
        }
      ],
      "initial_release_date": "2021-09-14T00:00:00Z",
      "current_release_date": "2021-09-14T00:00:00Z",
      "generator": {
        "engine": {
          "name": "Siemens ProductCERT CSAF Generator",
          "version": "1"
        }
      }
    },
    "notes": [
      {
        "title": "Summary",
        "category": "summary",
        "text": "The latest update for SINEMA Server fixes a vulnerability that could allow an unauthenticated attacker to obtain encoded system configuration backup files under certain conditions.\n\nSiemens has released an update for the SINEMA Server and recommends to update to the latest version."
      },
      {
        "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-835377.pdf",
        "summary": "SSA-835377: Missing Authentication Vulnerability in SINEMA Server - PDF Version"
      },
      {
        "category": "self",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-835377.txt",
        "summary": "SSA-835377: Missing Authentication Vulnerability in SINEMA Server - TXT Version"
      },
      {
        "category": "self",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-835377.json",
        "summary": "SSA-835377: Missing Authentication Vulnerability in SINEMA Server - CSAF Version"
      }
    ]
  },
  "product_tree": {
    "branches": [
      {
        "name": "Siemens",
        "category": "vendor",
        "branches": [
          {
            "name": "SINEMA Server",
            "category": "product_name",
            "branches": [
              {
                "name": "< V14 SP3",
                "category": "product_version_range",
                "product": {
                  "product_id": "1",
                  "name": "SINEMA Server"
                }
              }
            ]
          }
        ]
      }
    ]
  },
  "vulnerabilities": [
    {
      "title": "CVE-2019-10941",
      "notes": [
        {
          "title": "Summary",
          "category": "summary",
          "text": "Missing authentication for functionality that requires administrative user identity could allow an attacker to obtain encoded system configuration backup files. This is only possible through network access to the affected system, and successful exploitation requires no system privileges."
        }
      ],
      "cve": "CVE-2019-10941",
      "cwe": {
        "id": "CWE-306",
        "name": "Missing Authentication for Critical Function"
      },
      "product_status": {
        "known_affected": [
          "1"
        ]
      },
      "scores": [
        {
          "cvss_v3": {
            "version": "3.1",
            "baseScore": 4.7,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N/E:P/RL:O/RC:C"
          },
          "products": [
            "1"
          ]
        }
      ],
      "remediations": [
        {
          "product_ids": [
            "1"
          ],
          "category": "vendor_fix",
          "details": "Update to V14 SP3 or later version",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801374/"
        },
        {
          "product_ids": [
            "1"
          ],
          "category": "mitigation",
          "details": "Monitor and restrict network access to device port 443/tcp and 80/tcp to trusted IP addresses"
        },
        {
          "product_ids": [
            "1"
          ],
          "category": "workaround",
          "details": "Consider adding to your monitoring capabilities an allowed time window for system configuration backup download. This will be an auxiliar to create a baseline and monitor for abnormal behavior"
        }
      ],
      "references": [
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109801374/",
          "summary": "CVE-2019-10941 - SINEMA Server"
        },
        {
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2019-10941.json",
          "summary": "CVE-2019-10941 Mitre 5.0 json"
        }
      ]
    }
  ]
}