{
  "document": {
    "acknowledgments": [
      {
        "names": [
          "Nelson Berg"
        ],
        "organization": "Applied Risk",
        "summary": "reporting this vulnerability to Siemens"
      }
    ],
    "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": "If an attacker tricks a user into clicking a malicious link, the device could allow arbitrary script injection (XSS).",
        "title": "Risk evaluation"
      },
      {
        "category": "other",
        "text": "Chemical, Communications, Critical Manufacturing, Dams, Defense Industrial Base, Energy, Food and Agriculture, Government Facilities, Transportation Systems, Water and Wastewater 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 reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.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 on the ICS-CERT website in the Technical Information Paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.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": "NCCIC also recommends that users take the following measures to protect themselves from social engineering attacks:",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "For further inquiries on security vulnerabilities in Siemens products and \nsolutions, please contact the Siemens ProductCERT:\n\nhttps://www.siemens.com/cert/advisories",
        "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": "Additional Resources"
      },
      {
        "category": "other",
        "text": "No known public exploits specifically target this vulnerability. High skill level is needed to exploit.",
        "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-18-317-04 JSON",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2018/icsa-18-317-04.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-18-317-04 Web Version",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-18-317-04"
      },
      {
        "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/tips/ICS-TIP-12-146-01B"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-18-317-04"
      },
      {
        "category": "external",
        "summary": "SSA-496604: SSA-242982: Cross-Site Scripting Vulnerability in SCALANCE S - TXT Version",
        "url": "https://cert-portal.siemens.com/productcert/txt/SSA-242982.txt"
      }
    ],
    "title": "Siemens SCALANCE S",
    "tracking": {
      "current_release_date": "2018-11-13T00:00:00.000000Z",
      "generator": {
        "engine": {
          "name": "CISA CSAF Generator",
          "version": "1.0.0"
        }
      },
      "id": "ICSA-18-317-04",
      "initial_release_date": "2018-11-13T00:00:00.000000Z",
      "revision_history": [
        {
          "date": "2018-11-13T00:00:00.000000Z",
          "legacy_version": "Initial",
          "number": "1",
          "summary": "ICSA-18-317-04 Siemens SCALANCE S"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions \u003c V4.0.1.1",
                "product": {
                  "name": "SCALANCE S602: All versions \u003c V4.0.1.1",
                  "product_id": "CSAFPID-0001"
                }
              }
            ],
            "category": "product_name",
            "name": "SCALANCE S602"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions \u003c V4.0.1.1",
                "product": {
                  "name": "SCALANCE S612: All versions \u003c V4.0.1.1",
                  "product_id": "CSAFPID-0002"
                }
              }
            ],
            "category": "product_name",
            "name": "SCALANCE S612"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions \u003c V4.0.1.1",
                "product": {
                  "name": "SCALANCE S623: All versions \u003c V4.0.1.1",
                  "product_id": "CSAFPID-0003"
                }
              }
            ],
            "category": "product_name",
            "name": "SCALANCE S623"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "All versions \u003c V4.0.1.1",
                "product": {
                  "name": "SCALANCE S627-2M: All versions \u003c V4.0.1.1",
                  "product_id": "CSAFPID-0004"
                }
              }
            ],
            "category": "product_name",
            "name": "SCALANCE S627-2M"
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2018-16555",
      "cwe": {
        "id": "CWE-79",
        "name": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The integrated web server could allow Cross-Site Scripting (XSS) attacks if unsuspecting users are tricked into accessing a malicious link.",
          "title": "Summary"
        },
        {
          "category": "summary",
          "text": "User interaction is required for a successful exploitation. The user must be logged into the web interface in order for the exploitation to succeed.",
          "title": "Summary"
        },
        {
          "category": "summary",
          "text": "At the stage of publishing this security advisory no public exploitation is known.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002",
          "CSAFPID-0003",
          "CSAFPID-0004"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "https://support.industry.siemens.com/cs/document/109477325/-delivery-release-and-download-of-firmware-update-v4-0-1-1-for-scalance-s?dti=0\u0026lc=en-WW",
          "url": "https://support.industry.siemens.com/cs/document/109477325/-delivery-release-and-download-of-firmware-update-v4-0-1-1-for-scalance-s?dti=0\u0026lc=en-WW"
        },
        {
          "category": "external",
          "summary": "web.nvd.nist.gov",
          "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2018-16555"
        },
        {
          "category": "external",
          "summary": "www.first.org",
          "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Only access links from trusted sources in the browser you use to access\nthe SCALANCE S administration website.",
          "product_ids": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update to V4.0.1.1 - Download: https://support.industry.siemens.com/cs/document/109477325/-delivery-release-and-download-of-firmware-update-v4-0-1-1-for-scalance-s?dti=0\u0026lc=en-WW ",
          "product_ids": [
            "CSAFPID-0001"
          ],
          "url": "https://support.industry.siemens.com/cs/document/109477325/-delivery-release-and-download-of-firmware-update-v4-0-1-1-for-scalance-s?dti=0\u0026lc=en-WW"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V4.0.1.1 - Download: https://support.industry.siemens.com/cs/document/109477325/-delivery-release-and-download-of-firmware-update-v4-0-1-1-for-scalance-s?dti=0\u0026lc=en-WW ",
          "product_ids": [
            "CSAFPID-0002"
          ],
          "url": "https://support.industry.siemens.com/cs/document/109477325/-delivery-release-and-download-of-firmware-update-v4-0-1-1-for-scalance-s?dti=0\u0026lc=en-WW"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V4.0.1.1 - Download: https://support.industry.siemens.com/cs/document/109477325/-delivery-release-and-download-of-firmware-update-v4-0-1-1-for-scalance-s?dti=0\u0026lc=en-WW ",
          "product_ids": [
            "CSAFPID-0003"
          ],
          "url": "https://support.industry.siemens.com/cs/document/109477325/-delivery-release-and-download-of-firmware-update-v4-0-1-1-for-scalance-s?dti=0\u0026lc=en-WW"
        },
        {
          "category": "vendor_fix",
          "details": "Update to V4.0.1.1 - Download: https://support.industry.siemens.com/cs/document/109477325/-delivery-release-and-download-of-firmware-update-v4-0-1-1-for-scalance-s?dti=0\u0026lc=en-WW ",
          "product_ids": [
            "CSAFPID-0004"
          ],
          "url": "https://support.industry.siemens.com/cs/document/109477325/-delivery-release-and-download-of-firmware-update-v4-0-1-1-for-scalance-s?dti=0\u0026lc=en-WW"
        },
        {
          "category": "mitigation",
          "details": "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: 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": 4.7,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C",
            "version": "3.0"
          },
          "products": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ]
        }
      ]
    }
  ]
}