{
  "document": {
    "acknowledgments": [
      {
        "organization": "Siemens",
        "summary": "reporting this vulnerability to NCCIC"
      }
    ],
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Disclosure is not limited",
      "tlp": {
        "label": "WHITE",
        "url": "https://us-cert.cisa.gov/tlp/"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "general",
        "text": "This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov",
        "title": "CISA Disclaimer"
      },
      {
        "category": "legal_disclaimer",
        "text": "All information products included in https://us-cert.cisa.gov/ics are provided \"as is\" for informational purposes only. The Department of Homeland Security (DHS) does not provide any warranties of any kind regarding any information contained within. DHS does not endorse any commercial product or service, referenced in this product or otherwise. Further dissemination of this product is governed by the Traffic Light Protocol (TLP) marking in the header. For more information about TLP, see https://us-cert.cisa.gov/tlp/.",
        "title": "Legal Notice"
      },
      {
        "category": "summary",
        "text": "ATTENTION: Remotely exploitable/low skill level to exploit.",
        "title": "Risk evaluation"
      },
      {
        "category": "other",
        "text": "Energy, Healthcare and Public Health, and Transportation Systems",
        "title": "Critical infrastructure sectors"
      },
      {
        "category": "other",
        "text": "Worldwide",
        "title": "Countries/areas deployed"
      },
      {
        "category": "other",
        "text": "Germany",
        "title": "Company headquarters location"
      },
      {
        "category": "general",
        "text": "NCCIC recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities. Specifically, users should:",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "NCCIC reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "NCCIC also provides a section for control systems security recommended practices on the ICS-CERT web page. Several recommended practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Additional mitigation guidance and recommended practices are publicly available in the NCCIC Technical Information Paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies, that is available for download from the ICS-CERT website.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to NCCIC for tracking and correlation against other incidents.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "For further inquiries on vulnerabilities in Siemens products and solutions,\nplease contact the Siemens ProductCERT:\n\nhttps://www.siemens.com/cert/advisories",
        "title": "Additional Resources"
      },
      {
        "category": "general",
        "text": "For further inquiries on vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories",
        "title": "Additional Resources"
      },
      {
        "category": "other",
        "text": "No known public exploits specifically target this vulnerability.",
        "title": "Exploitability"
      }
    ],
    "publisher": {
      "category": "coordinator",
      "contact_details": "Email: CISAservicedesk@cisa.dhs.gov;\n Toll Free: 1-888-282-0870",
      "name": "CISA",
      "namespace": "https://www.cisa.gov/"
    },
    "references": [
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-17-271-01B JSON",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2017/icsa-17-271-01b.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-17-271-01B Web Version",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-17-271-01b"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-17-271-01b"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/uscert/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/uscert/ics/"
      },
      {
        "category": "external",
        "summary": "SSA-496604: SSA-856721: Vulnerability in RUGGEDCOM Discovery Protocol (RCDP) of Industrial Communication Devices - TXT Version",
        "url": "https://cert-portal.siemens.com/productcert/txt/SSA-856721.txt"
      }
    ],
    "title": "Siemens Ruggedcom ROS, SCALANCE (Update B)",
    "tracking": {
      "current_release_date": "2018-02-27T00:00:00.000000Z",
      "generator": {
        "engine": {
          "name": "CISA CSAF Generator",
          "version": "1.0.0"
        }
      },
      "id": "ICSA-17-271-01B",
      "initial_release_date": "2017-09-28T00:00:00.000000Z",
      "revision_history": [
        {
          "date": "2017-09-28T00:00:00.000000Z",
          "legacy_version": "Initial",
          "number": "1",
          "summary": "ICSA-17-271-01 Siemens Ruggedcom ROS, SCALANCE"
        },
        {
          "date": "2017-10-10T00:00:00.000000Z",
          "legacy_version": "A",
          "number": "2",
          "summary": "ICSA-17-271-01A Siemens Ruggedcom ROS and SCALANCE (Update A)"
        },
        {
          "date": "2018-02-27T00:00:00.000000Z",
          "legacy_version": "B",
          "number": "3",
          "summary": "ICSA-17-271-01B Siemens Ruggedcom ROS, SCALANCE (Update B)"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions \u003c ROS V5.0.1",
                "product": {
                  "name": "RUGGEDCOM ROS for RSL910 devices: All versions \u003c ROS V5.0.1",
                  "product_id": "CSAFPID-0001"
                }
              }
            ],
            "category": "product_name",
            "name": "RUGGEDCOM ROS for RSL910 devices"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions \u003c ROS V4.3.4",
                "product": {
                  "name": "RUGGEDCOM ROS for all other devices: All versions \u003c ROS V4.3.4",
                  "product_id": "CSAFPID-0002"
                }
              }
            ],
            "category": "product_name",
            "name": "RUGGEDCOM ROS for all other devices"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions between V3.0 (including) and V3.0.2 (excluding)",
                "product": {
                  "name": "SCALANCE XB-200/XC-200/XP-200/XR300-WG: All versions between V3.0 (including) and V3.0.2 (excluding)",
                  "product_id": "CSAFPID-0003"
                }
              }
            ],
            "category": "product_name",
            "name": "SCALANCE XB-200/XC-200/XP-200/XR300-WG"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions between V6.1 (including) and V6.1.1 (excluding)",
                "product": {
                  "name": "SCALANCE XR-500/XM-400: All versions between V6.1 (including) and V6.1.1 (excluding)",
                  "product_id": "CSAFPID-0004"
                }
              }
            ],
            "category": "product_name",
            "name": "SCALANCE XR-500/XM-400"
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2017-12736",
      "cwe": {
        "id": "CWE-284",
        "name": "Improper Access Control"
      },
      "notes": [
        {
          "category": "summary",
          "text": "After initial configuration, the Ruggedcom Discovery Protocol (RCDP) is still able to writeto the device under certain conditions, potentially allowing users located in the adjacentnetwork of the targeted device to perform unauthorized administrative actions.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002",
          "CSAFPID-0003",
          "CSAFPID-0004"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "https://support.industry.siemens.com/cs/ww/de/view/109755475",
          "url": "https://support.industry.siemens.com/cs/ww/de/view/109755475"
        },
        {
          "category": "external",
          "summary": "web.nvd.nist.gov",
          "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-12736"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Manually deactivate RCDP according to the instructions in the user\nguide. This measures completely mitigates the vulnerability.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Install V3.0.2 - Download: https://support.industry.siemens.com/cs/de/en/view/109754174 ",
          "product_ids": [
            "CSAFPID-0003"
          ],
          "url": "https://support.industry.siemens.com/cs/de/en/view/109754174"
        },
        {
          "category": "vendor_fix",
          "details": "Install V6.1 - Download: https://support.industry.siemens.com/cs/ww/de/view/109755475 ",
          "product_ids": [
            "CSAFPID-0004"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/de/view/109755475"
        },
        {
          "category": "mitigation",
          "details": "As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to run the devices in a protected IT environment, Siemens particularly 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. Additional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ]
        }
      ]
    }
  ]
}