{
  "document": {
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Disclosure is not limited. (TLPv2: TLP:CLEAR)",
      "tlp": {
        "label": "WHITE"
      }
    },
    "notes": [
      {
        "category": "summary",
        "text": "SIMATIC WinCC OA contains an argument injection vulnerability that could allow an authenticated remote attacker to inject arbitrary parameters, when starting the Ultralight Client via the web interface (e.g., open attacker chosen panels with the attacker\u0027s credentials or start a Ctrl script).\n\nSiemens has released updates for several affected products and recommends to update to the latest versions. Siemens is preparing further updates and recommends specific countermeasures for products where updates 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: \nhttps://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": "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-547714: Argument Injection Vulnerability in SIMATIC WinCC OA Ultralight Client - PDF Version",
        "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-547714.pdf"
      },
      {
        "category": "self",
        "summary": "SSA-547714: Argument Injection Vulnerability in SIMATIC WinCC OA Ultralight Client - TXT Version",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-547714.txt"
      },
      {
        "category": "self",
        "summary": "SSA-547714: Argument Injection Vulnerability in SIMATIC WinCC OA Ultralight Client - CSAF Version",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-547714.json"
      }
    ],
    "title": "SSA-547714: Argument Injection Vulnerability in SIMATIC WinCC OA Ultralight Client",
    "tracking": {
      "current_release_date": "2023-01-10T00:00:00Z",
      "generator": {
        "engine": {
          "name": "Siemens ProductCERT CSAF Generator",
          "version": "1"
        }
      },
      "id": "SSA-547714",
      "initial_release_date": "2022-12-13T00:00:00Z",
      "revision_history": [
        {
          "date": "2022-12-13T00:00:00Z",
          "legacy_version": "1.0",
          "number": "1",
          "summary": "Publication Date"
        },
        {
          "date": "2023-01-10T00:00:00Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Added fix for SIMATIC WinCC OA V3.15"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c V3.15 P038",
                "product": {
                  "name": "SIMATIC WinCC OA V3.15",
                  "product_id": "1"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC WinCC OA V3.15"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c V3.16 P035",
                "product": {
                  "name": "SIMATIC WinCC OA V3.16",
                  "product_id": "2"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC WinCC OA V3.16"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c V3.17 P024",
                "product": {
                  "name": "SIMATIC WinCC OA V3.17",
                  "product_id": "3"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC WinCC OA V3.17"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c V3.18 P014",
                "product": {
                  "name": "SIMATIC WinCC OA V3.18",
                  "product_id": "4"
                }
              }
            ],
            "category": "product_name",
            "name": "SIMATIC WinCC OA V3.18"
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2022-44731",
      "cwe": {
        "id": "CWE-88",
        "name": "Improper Neutralization of Argument Delimiters in a Command (\u0027Argument Injection\u0027)"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The affected component allows to inject custom arguments to the Ultralight Client backend application under certain circumstances.\r\n\r\nThis could allow an authenticated remote attacker to inject arbitrary parameters when starting the client via the web interface (e.g., open attacker chosen panels with the attacker\u0027s credentials or start a Ctrl script).",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "1",
          "2",
          "3",
          "4"
        ]
      },
      "remediations": [
        {
          "category": "mitigation",
          "details": "Configure user permissions and access management according to the WinCC OA Security Guideline: \nhttps://www.winccoa.com/documentation/WinCCOA/3.18/en_US/UserAdmin/security.html",
          "product_ids": [
            "1",
            "2",
            "3",
            "4"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update to V3.15 P038 or later version",
          "product_ids": [
            "1"
          ],
          "url": "https://www.winccoa.com/downloads/category/versions-patches.html"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V3.16 P035 or later version",
          "product_ids": [
            "2"
          ],
          "url": "https://www.winccoa.com/downloads/category/versions-patches.html"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V3.17 P024 or later version",
          "product_ids": [
            "3"
          ],
          "url": "https://www.winccoa.com/downloads/category/versions-patches.html"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V3.18 P014 or later version",
          "product_ids": [
            "4"
          ],
          "url": "https://www.winccoa.com/downloads/category/versions-patches.html"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:P/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1",
            "2",
            "3",
            "4"
          ]
        }
      ],
      "title": "CVE-2022-44731"
    }
  ]
}