{
  "document": {
    "title": "SSA-173565: Denial-of-Service Vulnerability in RUGGEDCOM ROX Devices",
    "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-173565",
      "status": "final",
      "version": "1",
      "revision_history": [
        {
          "number": "1",
          "legacy_version": "1.0",
          "date": "2021-10-12T00:00:00Z",
          "summary": "Publication Date"
        }
      ],
      "initial_release_date": "2021-10-12T00:00:00Z",
      "current_release_date": "2021-10-12T00:00:00Z",
      "generator": {
        "engine": {
          "name": "Siemens ProductCERT CSAF Generator",
          "version": "1"
        }
      }
    },
    "notes": [
      {
        "title": "Summary",
        "category": "summary",
        "text": "The latest update for RUGGEDCOM ROX devices fixes a vulnerability that could allow an unauthenticated attacker to cause a permanent Denial-of-Service condition under certain conditions.\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-173565.pdf",
        "summary": "SSA-173565: Denial-of-Service Vulnerability in RUGGEDCOM ROX Devices - PDF Version"
      },
      {
        "category": "self",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-173565.txt",
        "summary": "SSA-173565: Denial-of-Service Vulnerability in RUGGEDCOM ROX Devices - TXT Version"
      },
      {
        "category": "self",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-173565.json",
        "summary": "SSA-173565: Denial-of-Service Vulnerability in RUGGEDCOM ROX Devices - CSAF Version"
      }
    ],
    "acknowledgments": [
      {
        "organization": "Communications Security Establishment, CSE",
        "summary": "coordinated disclosure"
      },
      {
        "organization": "Loudmouth Security Inc.",
        "summary": "coordinated disclosure"
      }
    ]
  },
  "product_tree": {
    "branches": [
      {
        "name": "Siemens",
        "category": "vendor",
        "branches": [
          {
            "name": "RUGGEDCOM ROX MX5000",
            "category": "product_name",
            "branches": [
              {
                "name": "< V2.14.1",
                "category": "product_version_range",
                "product": {
                  "product_id": "1",
                  "name": "RUGGEDCOM ROX MX5000"
                }
              }
            ]
          },
          {
            "name": "RUGGEDCOM ROX RX1400",
            "category": "product_name",
            "branches": [
              {
                "name": "< V2.14.1",
                "category": "product_version_range",
                "product": {
                  "product_id": "2",
                  "name": "RUGGEDCOM ROX RX1400"
                }
              }
            ]
          },
          {
            "name": "RUGGEDCOM ROX RX1500",
            "category": "product_name",
            "branches": [
              {
                "name": "< V2.14.1",
                "category": "product_version_range",
                "product": {
                  "product_id": "3",
                  "name": "RUGGEDCOM ROX RX1500"
                }
              }
            ]
          },
          {
            "name": "RUGGEDCOM ROX RX1501",
            "category": "product_name",
            "branches": [
              {
                "name": "< V2.14.1",
                "category": "product_version_range",
                "product": {
                  "product_id": "4",
                  "name": "RUGGEDCOM ROX RX1501"
                }
              }
            ]
          },
          {
            "name": "RUGGEDCOM ROX RX1510",
            "category": "product_name",
            "branches": [
              {
                "name": "< V2.14.1",
                "category": "product_version_range",
                "product": {
                  "product_id": "5",
                  "name": "RUGGEDCOM ROX RX1510"
                }
              }
            ]
          },
          {
            "name": "RUGGEDCOM ROX RX1511",
            "category": "product_name",
            "branches": [
              {
                "name": "< V2.14.1",
                "category": "product_version_range",
                "product": {
                  "product_id": "6",
                  "name": "RUGGEDCOM ROX RX1511"
                }
              }
            ]
          },
          {
            "name": "RUGGEDCOM ROX RX1512",
            "category": "product_name",
            "branches": [
              {
                "name": "< V2.14.1",
                "category": "product_version_range",
                "product": {
                  "product_id": "7",
                  "name": "RUGGEDCOM ROX RX1512"
                }
              }
            ]
          },
          {
            "name": "RUGGEDCOM ROX RX1524",
            "category": "product_name",
            "branches": [
              {
                "name": "< V2.14.1",
                "category": "product_version_range",
                "product": {
                  "product_id": "8",
                  "name": "RUGGEDCOM ROX RX1524"
                }
              }
            ]
          },
          {
            "name": "RUGGEDCOM ROX RX1536",
            "category": "product_name",
            "branches": [
              {
                "name": "< V2.14.1",
                "category": "product_version_range",
                "product": {
                  "product_id": "9",
                  "name": "RUGGEDCOM ROX RX1536"
                }
              }
            ]
          },
          {
            "name": "RUGGEDCOM ROX RX5000",
            "category": "product_name",
            "branches": [
              {
                "name": "< V2.14.1",
                "category": "product_version_range",
                "product": {
                  "product_id": "10",
                  "name": "RUGGEDCOM ROX RX5000"
                }
              }
            ]
          }
        ]
      }
    ]
  },
  "vulnerabilities": [
    {
      "title": "CVE-2021-41546",
      "notes": [
        {
          "title": "Summary",
          "category": "summary",
          "text": "Affected devices write crashdumps without checking if enough space is available on the filesystem. Once the crashdump fills the entire root filesystem, affected devices fail to boot successfully. An attacker can leverage this vulnerability to cause a permanent Denial-of-Service."
        }
      ],
      "cve": "CVE-2021-41546",
      "cwe": {
        "id": "CWE-400",
        "name": "Uncontrolled Resource Consumption"
      },
      "product_status": {
        "known_affected": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8",
          "9",
          "10"
        ]
      },
      "scores": [
        {
          "cvss_v3": {
            "version": "3.1",
            "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"
          },
          "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 V2.14.1 or later version",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109800780/"
        },
        {
          "product_ids": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8",
            "9",
            "10"
          ],
          "category": "mitigation",
          "details": "Restrict access to the affected systems, especially to port 443/tcp, to trusted IP addresses only"
        }
      ],
      "references": [
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109800780/",
          "summary": "CVE-2021-41546 - RUGGEDCOM ROX MX5000"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109800780/",
          "summary": "CVE-2021-41546 - RUGGEDCOM ROX RX1400"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109800780/",
          "summary": "CVE-2021-41546 - RUGGEDCOM ROX RX1500"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109800780/",
          "summary": "CVE-2021-41546 - RUGGEDCOM ROX RX1501"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109800780/",
          "summary": "CVE-2021-41546 - RUGGEDCOM ROX RX1510"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109800780/",
          "summary": "CVE-2021-41546 - RUGGEDCOM ROX RX1511"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109800780/",
          "summary": "CVE-2021-41546 - RUGGEDCOM ROX RX1512"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109800780/",
          "summary": "CVE-2021-41546 - RUGGEDCOM ROX RX1524"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109800780/",
          "summary": "CVE-2021-41546 - RUGGEDCOM ROX RX1536"
        },
        {
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109800780/",
          "summary": "CVE-2021-41546 - RUGGEDCOM ROX RX5000"
        },
        {
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-41546.json",
          "summary": "CVE-2021-41546 Mitre 5.0 json"
        }
      ]
    }
  ]
}