{
  "document": {
    "title": "SSA-594438: Remote Code Execution and Denial-of-Service Vulnerability in multiple RUGGEDCOM ROX products",
    "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-594438",
      "status": "final",
      "version": "1",
      "revision_history": [
        {
          "number": "1",
          "legacy_version": "1.0",
          "date": "2022-03-08T00:00:00Z",
          "summary": "Publication Date"
        }
      ],
      "initial_release_date": "2022-03-08T00:00:00Z",
      "current_release_date": "2022-03-08T00:00:00Z",
      "generator": {
        "engine": {
          "name": "Siemens ProductCERT CSAF Generator",
          "version": "1"
        }
      }
    },
    "notes": [
      {
        "title": "Summary",
        "category": "summary",
        "text": "A vulnerability in the RUGGEDCOM ROX devices' third party component, NSS, could allow an attacker to remotely execute code or cause a denial-of-service condition due to the way it verifies security certificates.\n\nSiemens has released updates for the affected products and recommends to update to the latest versions."
      },
      {
        "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-594438.pdf",
        "summary": "SSA-594438: Remote Code Execution and Denial-of-Service Vulnerability in multiple RUGGEDCOM ROX products - PDF Version"
      },
      {
        "category": "self",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-594438.txt",
        "summary": "SSA-594438: Remote Code Execution and Denial-of-Service Vulnerability in multiple RUGGEDCOM ROX products - TXT Version"
      },
      {
        "category": "self",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-594438.json",
        "summary": "SSA-594438: Remote Code Execution and Denial-of-Service Vulnerability in multiple RUGGEDCOM ROX products - CSAF Version"
      }
    ]
  },
  "product_tree": {
    "branches": [
      {
        "name": "Siemens",
        "category": "vendor",
        "branches": [
          {
            "name": "RUGGEDCOM ROX MX5000",
            "category": "product_name",
            "branches": [
              {
                "name": ">= V2.10.0 and < V2.15.0",
                "category": "product_version_range",
                "product": {
                  "product_id": "1",
                  "name": "RUGGEDCOM ROX MX5000"
                }
              }
            ]
          },
          {
            "name": "RUGGEDCOM ROX RX1400",
            "category": "product_name",
            "branches": [
              {
                "name": ">= V2.10.0 and < V2.15.0",
                "category": "product_version_range",
                "product": {
                  "product_id": "2",
                  "name": "RUGGEDCOM ROX RX1400"
                }
              }
            ]
          },
          {
            "name": "RUGGEDCOM ROX RX1500",
            "category": "product_name",
            "branches": [
              {
                "name": ">= V2.10.0 and < V2.15.0",
                "category": "product_version_range",
                "product": {
                  "product_id": "3",
                  "name": "RUGGEDCOM ROX RX1500"
                }
              }
            ]
          },
          {
            "name": "RUGGEDCOM ROX RX1501",
            "category": "product_name",
            "branches": [
              {
                "name": ">= V2.10.0 and < V2.15.0",
                "category": "product_version_range",
                "product": {
                  "product_id": "4",
                  "name": "RUGGEDCOM ROX RX1501"
                }
              }
            ]
          },
          {
            "name": "RUGGEDCOM ROX RX1510",
            "category": "product_name",
            "branches": [
              {
                "name": ">= V2.10.0 and < V2.15.0",
                "category": "product_version_range",
                "product": {
                  "product_id": "5",
                  "name": "RUGGEDCOM ROX RX1510"
                }
              }
            ]
          },
          {
            "name": "RUGGEDCOM ROX RX1511",
            "category": "product_name",
            "branches": [
              {
                "name": ">= V2.10.0 and < V2.15.0",
                "category": "product_version_range",
                "product": {
                  "product_id": "6",
                  "name": "RUGGEDCOM ROX RX1511"
                }
              }
            ]
          },
          {
            "name": "RUGGEDCOM ROX RX1512",
            "category": "product_name",
            "branches": [
              {
                "name": ">= V2.10.0 and < V2.15.0",
                "category": "product_version_range",
                "product": {
                  "product_id": "7",
                  "name": "RUGGEDCOM ROX RX1512"
                }
              }
            ]
          },
          {
            "name": "RUGGEDCOM ROX RX1524",
            "category": "product_name",
            "branches": [
              {
                "name": ">= V2.10.0 and < V2.15.0",
                "category": "product_version_range",
                "product": {
                  "product_id": "8",
                  "name": "RUGGEDCOM ROX RX1524"
                }
              }
            ]
          },
          {
            "name": "RUGGEDCOM ROX RX1536",
            "category": "product_name",
            "branches": [
              {
                "name": ">= V2.10.0 and < V2.15.0",
                "category": "product_version_range",
                "product": {
                  "product_id": "9",
                  "name": "RUGGEDCOM ROX RX1536"
                }
              }
            ]
          },
          {
            "name": "RUGGEDCOM ROX RX5000",
            "category": "product_name",
            "branches": [
              {
                "name": ">= V2.10.0 and < V2.15.0",
                "category": "product_version_range",
                "product": {
                  "product_id": "10",
                  "name": "RUGGEDCOM ROX RX5000"
                }
              }
            ]
          }
        ]
      }
    ]
  },
  "vulnerabilities": [
    {
      "title": "CVE-2021-43527",
      "notes": [
        {
          "title": "Summary",
          "category": "summary",
          "text": "A vulnerability was found in the way the third-party component, NSS, verifies certificates that could allow an attacker to remotely execute code or cause a denial-of-service condition on the affected devices.\n\nThis vulnerability could be triggered if a device connects to an attacker posing as an IPSEC endpoint that provides a malicious certificate. The device maybe vulnerable when it attempts the verification of the received certificate."
        }
      ],
      "cve": "CVE-2021-43527",
      "cwe": {
        "id": "CWE-787",
        "name": "Out-of-bounds Write"
      },
      "product_status": {
        "known_affected": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8",
          "9",
          "10"
        ]
      },
      "scores": [
        {
          "cvss_v3": {
            "version": "3.1",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C"
          },
          "products": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10"
          ]
        }
      ],
      "remediations": [
        {
          "product_ids": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10"
          ],
          "category": "vendor_fix",
          "details": "Update to V2.15.0 or later version",
          "url": "https://support.industry.siemens.com/cs/document/109805782/"
        },
        {
          "product_ids": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10"
          ],
          "category": "mitigation",
          "details": "Reconfigure IPsec connections to use a pre-shared key (PSK)."
        }
      ],
      "references": [
        {
          "url": "https://support.industry.siemens.com/cs/document/109805782/",
          "summary": "CVE-2021-43527 - RUGGEDCOM ROX MX5000"
        },
        {
          "url": "https://support.industry.siemens.com/cs/document/109805782/",
          "summary": "CVE-2021-43527 - RUGGEDCOM ROX RX1400"
        },
        {
          "url": "https://support.industry.siemens.com/cs/document/109805782/",
          "summary": "CVE-2021-43527 - RUGGEDCOM ROX RX1500"
        },
        {
          "url": "https://support.industry.siemens.com/cs/document/109805782/",
          "summary": "CVE-2021-43527 - RUGGEDCOM ROX RX1501"
        },
        {
          "url": "https://support.industry.siemens.com/cs/document/109805782/",
          "summary": "CVE-2021-43527 - RUGGEDCOM ROX RX1510"
        },
        {
          "url": "https://support.industry.siemens.com/cs/document/109805782/",
          "summary": "CVE-2021-43527 - RUGGEDCOM ROX RX1511"
        },
        {
          "url": "https://support.industry.siemens.com/cs/document/109805782/",
          "summary": "CVE-2021-43527 - RUGGEDCOM ROX RX1512"
        },
        {
          "url": "https://support.industry.siemens.com/cs/document/109805782/",
          "summary": "CVE-2021-43527 - RUGGEDCOM ROX RX1524"
        },
        {
          "url": "https://support.industry.siemens.com/cs/document/109805782/",
          "summary": "CVE-2021-43527 - RUGGEDCOM ROX RX1536"
        },
        {
          "url": "https://support.industry.siemens.com/cs/document/109805782/",
          "summary": "CVE-2021-43527 - RUGGEDCOM ROX RX5000"
        },
        {
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-43527.json",
          "summary": "CVE-2021-43527 Mitre 5.0 json"
        }
      ]
    }
  ]
}