{
  "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": ".NET Client Library for SIMATIC S7 Webserver API contains multiple vulnerabilities that could allow an attacker to obtain sensitive information or write arbitrary files outside the intended download directory.\n\nSiemens has released a new version for .NET Client Library for SIMATIC S7 Webserver API and recommends to update to the latest version.",
        "title": "Summary"
      },
      {
        "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.\nAdditional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity",
        "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": "The use of Siemens Security Advisories is subject to the terms and conditions listed on: https://www.siemens.com/productcert/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-390352: Multiple Vulnerabilities in .NET Client Library for SIMATIC S7 Webserver API - HTML Version",
        "url": "https://cert-portal.siemens.com/productcert/html/ssa-390352.html"
      },
      {
        "category": "self",
        "summary": "SSA-390352: Multiple Vulnerabilities in .NET Client Library for SIMATIC S7 Webserver API - CSAF Version",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-390352.json"
      }
    ],
    "title": "SSA-390352: Multiple Vulnerabilities in .NET Client Library for SIMATIC S7 Webserver API",
    "tracking": {
      "current_release_date": "2026-10-13T00:00:00.000Z",
      "generator": {
        "engine": {
          "name": "Siemens ProductCERT CSAF Generator",
          "version": "1"
        }
      },
      "id": "SSA-390352",
      "initial_release_date": "2026-10-13T00:00:00.000Z",
      "revision_history": [
        {
          "date": "2026-10-13T00:00:00.000Z",
          "legacy_version": "1.0",
          "number": "1",
          "summary": "Publication Date"
        }
      ],
      "status": "interim",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:intdot/<3.3.61",
                "product": {
                  "name": ".NET Client Library for SIMATIC S7 Webserver API < V3.3.61",
                  "product_id": "1"
                }
              },
              {
                "category": "product_version_range",
                "name": "vers:intdot/<3.3.62",
                "product": {
                  "name": ".NET Client Library for SIMATIC S7 Webserver API < V3.3.62",
                  "product_id": "2"
                }
              }
            ],
            "category": "product_name",
            "name": ".NET Client Library for SIMATIC S7 Webserver API"
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-85114",
      "cwe": {
        "id": "CWE-22",
        "name": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"
      },
      "notes": [
        {
          "category": "description",
          "text": "Affected applications do not properly validate filenames received from remote servers during ticket downloads.\r\n\r\nThis could allow an attacker who can manipulate the ticket response to write arbitrary files outside the intended download directory and, when overwriting is enabled, replace existing files accessible to the application.",
          "title": "CVE Description"
        }
      ],
      "product_status": {
        "known_affected": [
          "1"
        ]
      },
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Update to V3.3.61 or later version",
          "product_ids": [
            "1"
          ],
          "url": "https://github.com/siemens/simatic-s7-webserver-api/releases/tag/v3.3.61"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "1"
          ]
        }
      ],
      "title": "CVE-2026-85114"
    },
    {
      "cve": "CVE-2026-85115",
      "cwe": {
        "id": "CWE-209",
        "name": "Generation of Error Message Containing Sensitive Information"
      },
      "notes": [
        {
          "category": "description",
          "text": "Affected applications do not properly redact PLC restore passwords from HTTP error exception messages.\r\n\r\nThis could allow an attacker with access to logs or other diagnostic output to obtain the plaintext restore password and potentially perform unauthorized operations on the PLC.",
          "title": "CVE Description"
        }
      ],
      "product_status": {
        "known_affected": [
          "2"
        ]
      },
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Update to V3.3.62 or later version",
          "product_ids": [
            "2"
          ],
          "url": "https://github.com/siemens/simatic-s7-webserver-api/releases/tag/v3.3.62"
        }
      ],
      "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",
            "version": "3.1"
          },
          "products": [
            "2"
          ]
        }
      ],
      "title": "CVE-2026-85115"
    }
  ]
}