{
  "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": "Vulnerabilities in the third-party component strongSwan could allow an attacker to cause a denial of service (DoS) condition in affected devices by exploiting integer overflow bugs.\n\nSiemens has released updates for the affected products and recommends to update to the latest versions.",
        "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-539476: Siemens SIMATIC NET CP, SINEMA and SCALANCE Products Affected by Vulnerabilities in Third-Party Component strongSwan - PDF Version",
        "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-539476.pdf"
      },
      {
        "category": "self",
        "summary": "SSA-539476: Siemens SIMATIC NET CP, SINEMA and SCALANCE Products Affected by Vulnerabilities in Third-Party Component strongSwan - TXT Version",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-539476.txt"
      },
      {
        "category": "self",
        "summary": "SSA-539476: Siemens SIMATIC NET CP, SINEMA and SCALANCE Products Affected by Vulnerabilities in Third-Party Component strongSwan - CSAF Version",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-539476.json"
      }
    ],
    "title": "SSA-539476: Siemens SIMATIC NET CP, SINEMA and SCALANCE Products Affected by Vulnerabilities in Third-Party Component strongSwan",
    "tracking": {
      "current_release_date": "2023-03-14T00:00:00Z",
      "generator": {
        "engine": {
          "name": "Siemens ProductCERT CSAF Generator",
          "version": "1"
        }
      },
      "id": "SSA-539476",
      "initial_release_date": "2022-02-08T00:00:00Z",
      "revision_history": [
        {
          "date": "2022-02-08T00:00:00Z",
          "legacy_version": "1.0",
          "number": "1",
          "summary": "Publication Date"
        },
        {
          "date": "2022-04-12T00:00:00Z",
          "legacy_version": "1.1",
          "number": "2",
          "summary": "Added solutions for SCALANCE S615, SCALANCE M-800 Family, SCALANCE MUM-800 Family, RUGGEDCOM RM1224 family, SIMATIC CP 1543-1, and SIPLUS NET CP 1543-1"
        },
        {
          "date": "2022-06-14T00:00:00Z",
          "legacy_version": "1.2",
          "number": "3",
          "summary": "Added fix for SIMATIC CP 1545-1 and SINEMA Remote Connect Server"
        },
        {
          "date": "2022-08-09T00:00:00Z",
          "legacy_version": "1.3",
          "number": "4",
          "summary": "Added fix for SIMATIC CP 1242-7 V2, CP 1243-7, CP 1243-1, CP 1243-8"
        },
        {
          "date": "2023-03-14T00:00:00Z",
          "legacy_version": "1.4",
          "number": "5",
          "summary": "Added fix for SIMATIC CP 1542SP-1, SIMATIC CP 1542SP-1 IRC, and SIMATIC CP 1543SP-1"
        }
      ],
      "status": "interim",
      "version": "5"
    }
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          },
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                "category": "product_version_range",
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            ],
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          },
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            ],
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          },
          {
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              }
            ],
            "category": "product_name",
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          },
          {
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              {
                "category": "product_version_range",
                "name": "\u003c V2.2.28",
                "product": {
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                  }
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              }
            ],
            "category": "product_name",
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          },
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          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c V3.1",
                "product": {
                  "name": "SINEMA Remote Connect Server",
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              }
            ],
            "category": "product_name",
            "name": "SINEMA Remote Connect Server"
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          {
            "branches": [
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        ],
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        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2021-41990",
      "cwe": {
        "id": "CWE-190",
        "name": "Integer Overflow or Wraparound"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The gmp plugin in strongSwan before version 5.9.4 has a remote integer overflow vulnerability via a crafted certificate with an RSASSA-PSS signature. For example, this can be triggered by an unrelated self-signed CA certificate sent by an initiator. Remote code execution cannot occur.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8",
          "9",
          "10",
          "11",
          "12",
          "13",
          "14",
          "15",
          "16",
          "17",
          "18"
        ]
      },
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Update to V7.1 or later version",
          "product_ids": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10",
            "11",
            "12",
            "13",
            "14",
            "15",
            "16",
            "17",
            "18"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109807276/"
        }
      ],
      "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:N/A:H/E:P/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10",
            "11",
            "12",
            "13",
            "14",
            "15",
            "16",
            "17",
            "18"
          ]
        }
      ],
      "title": "CVE-2021-41990"
    },
    {
      "cve": "CVE-2021-41991",
      "cwe": {
        "id": "CWE-190",
        "name": "Integer Overflow or Wraparound"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The in-memory certificate cache in strongSwan before version 5.9.4 has a remote integer overflow vulnerability upon receiving many requests with different certificates to fill the cache and later trigger the replacement of cache entries. The code attempts to select a less-often-used cache entry by means of a random number generator, but this is not done correctly. This could lead to a denial of service (DoS) condition. Remote code execution can\u0027t be excluded completely, but it would require attackers to have control over the dereferenced memory, so it is very unlikely.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8",
          "9",
          "10",
          "11",
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          "31",
          "32",
          "33",
          "34",
          "35",
          "36",
          "37",
          "38",
          "39",
          "40",
          "41"
        ]
      },
      "remediations": [
        {
          "category": "mitigation",
          "details": "Only deploy certificates via TIA portal that got created with TIA portal",
          "product_ids": [
            "24",
            "25",
            "26",
            "27",
            "28",
            "29",
            "31",
            "33",
            "38",
            "39",
            "40",
            "41"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update to V2.2.28 or later version",
          "product_ids": [
            "29",
            "30",
            "32",
            "35",
            "36",
            "37"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109817067/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V3.3.46 or later version",
          "product_ids": [
            "24",
            "25",
            "26",
            "27",
            "28",
            "38",
            "40",
            "41"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109812218/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V1.1 or later version",
          "product_ids": [
            "33"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109811116/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V3.1 or later version",
          "product_ids": [
            "34"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109811169/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V2.3 or later version",
          "product_ids": [
            "19",
            "20",
            "21",
            "22",
            "23"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109805907/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V3.0.22 or later version",
          "product_ids": [
            "31",
            "39"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109808678/"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V7.1 or later version",
          "product_ids": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10",
            "11",
            "12",
            "13",
            "14",
            "15",
            "16",
            "17",
            "18"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109807276/"
        }
      ],
      "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:N/A:H/E:P/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10",
            "11",
            "12",
            "13",
            "14",
            "15",
            "16",
            "17",
            "18",
            "19",
            "20",
            "21",
            "22",
            "23",
            "24",
            "25",
            "26",
            "27",
            "28",
            "29",
            "30",
            "31",
            "32",
            "33",
            "34",
            "35",
            "36",
            "37",
            "38",
            "39",
            "40",
            "41"
          ]
        }
      ],
      "title": "CVE-2021-41991"
    }
  ]
}