{
  "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 web server on SIMATIC S7-1200 CPU V2/V3 Before V3.0.2 contains a cross-site scripting (XSS) vulnerability that could allow remote attackers to inject arbitrary web script or HTML via a crafted URI.\n\nSiemens has released a new version for SIMATIC S7-1200 CPU V3 family (incl. SIPLUS variants) and recommends to update to the latest version. Siemens recommends specific countermeasures for products where fixes are not, or not yet available.",
        "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\u0027 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-279823: Cross-Site Scripting Vulnerability in SIMATIC S7-1200 CPU V2/V3 Before V3.0.2 - HTML Version",
        "url": "https://cert-portal.siemens.com/productcert/html/ssa-279823.html"
      },
      {
        "category": "self",
        "summary": "SSA-279823: Cross-Site Scripting Vulnerability in SIMATIC S7-1200 CPU V2/V3 Before V3.0.2 - CSAF Version",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-279823.json"
      }
    ],
    "title": "SSA-279823: Cross-Site Scripting Vulnerability in SIMATIC S7-1200 CPU V2/V3 Before V3.0.2",
    "tracking": {
      "current_release_date": "2025-10-14T00:00:00Z",
      "generator": {
        "engine": {
          "name": "Siemens ProductCERT CSAF Generator",
          "version": "1"
        }
      },
      "id": "SSA-279823",
      "initial_release_date": "2012-10-08T00:00:00Z",
      "revision_history": [
        {
          "date": "2012-10-08T00:00:00Z",
          "legacy_version": "1.0",
          "number": "1",
          "summary": "Publication Date"
        },
        {
          "date": "2020-02-10T00:00:00Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "SIPLUS devices now explicitly mentioned in the list of affected products"
        },
        {
          "date": "2025-10-14T00:00:00Z",
          "legacy_version": "1.2",
          "number": "3",
          "summary": "Used CVE ID (CVE-2012-3040) instead of the deprecated SVE ID (SVE-2012-0004); Corrected CVSS vector of CVE-2012-3040; Updated SSA to current data model and support of csaf"
        }
      ],
      "status": "interim",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:all/*",
                "product": {
                  "name": "SIMATIC S7-1200 CPU V2 family (incl. SIPLUS variants)",
                  "product_id": "1"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC S7-1200 CPU V2 family (incl. SIPLUS variants)"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "vers:intdot/\u003c3.0.2",
                "product": {
                  "name": "SIMATIC S7-1200 CPU V3 family (incl. SIPLUS variants)",
                  "product_id": "2"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC S7-1200 CPU V3 family (incl. SIPLUS variants)"
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2012-3040",
      "cwe": {
        "id": "CWE-80",
        "name": "Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The web server on affected devices contains a cross-site scripting (XSS) vulnerability that could allow remote attackers to inject arbitrary web script or HTML via a crafted URI.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "1",
          "2"
        ]
      },
      "remediations": [
        {
          "category": "mitigation",
          "details": "Disable JavaScript within the web browser used to access the web server of the affected products",
          "product_ids": [
            "1",
            "2"
          ]
        },
        {
          "category": "mitigation",
          "details": "Utilize a modern web browser with integrated XSS filtering mechanisms",
          "product_ids": [
            "1",
            "2"
          ]
        },
        {
          "category": "mitigation",
          "details": "Deactivate the web server if not required. The web server is disabled by default.",
          "product_ids": [
            "1",
            "2"
          ]
        },
        {
          "category": "no_fix_planned",
          "details": "Currently no fix is planned",
          "product_ids": [
            "1"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update to V3.0.2 or later version",
          "product_ids": [
            "2"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 9.6,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "1",
            "2"
          ]
        }
      ],
      "title": "CVE-2012-3040"
    }
  ]
}