{
  "document": {
    "acknowledgments": [
      {
        "organization": "Siemens ProductCERT",
        "summary": "reporting this vulnerability to CISA."
      }
    ],
    "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",
    "notes": [
      {
        "category": "summary",
        "text": "SICAM AK3/TM/BC devices are affected by a buffer overflow vulnerability that could allow an attacker to execute code in the context of the current process or lead to a denial of service condition.\n\n- SICAM AK3 device firmware- CPCX26 for CP-2016\n- PCCX26 for CP-2019\n\n\n- SICAM AK3, SICAM BC and SICAM TM device firmware- ETA4 and ETA5 for SM-2558\n\n\n\nSiemens has released new firmware versions 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"
      },
      {
        "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": "other",
        "text": "This CISA CSAF advisory was converted from Siemens ProductCERT\u0027s CSAF advisory.",
        "title": "Advisory Conversion Disclaimer"
      },
      {
        "category": "other",
        "text": "Multiple",
        "title": "Critical infrastructure sectors"
      },
      {
        "category": "other",
        "text": "Worldwide",
        "title": "Countries/areas deployed"
      },
      {
        "category": "other",
        "text": "Germany",
        "title": "Company headquarters location"
      },
      {
        "category": "general",
        "text": "CISA recommends users take defensive measures to minimize the exploitation risk of these vulnerabilities.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Minimize network exposure for all control system devices and/or systems, and ensure they are not accessible from the internet.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Locate control system networks and remote devices behind firewalls and isolate them from business networks.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "When remote access is required, use more secure methods, such as Virtual Private Networks (VPNs), recognizing VPNs may have vulnerabilities and should be updated to the most recent version available. Also recognize VPN is only as secure as its connected devices.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets. Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.",
        "title": "Recommended Practices"
      },
      {
        "category": "general",
        "text": "Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.",
        "title": "Recommended Practices"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "central@cisa.dhs.gov",
      "name": "CISA",
      "namespace": "https://www.cisa.gov/"
    },
    "references": [
      {
        "category": "self",
        "summary": "SSA-620338: Buffer Overflow Vulnerability in SICAM AK3 / BC / TM - CSAF Version",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-620338.json"
      },
      {
        "category": "self",
        "summary": "SSA-620338: Buffer Overflow Vulnerability in SICAM AK3 / BC / TM - HTML Version",
        "url": "https://cert-portal.siemens.com/productcert/html/ssa-620338.html"
      },
      {
        "category": "self",
        "summary": "SSA-620338: Buffer Overflow Vulnerability in SICAM AK3 / BC / TM - PDF Version",
        "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-620338.pdf"
      },
      {
        "category": "self",
        "summary": "SSA-620338: Buffer Overflow Vulnerability in SICAM AK3 / BC / TM - TXT Version",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-620338.txt"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-24-165-09 JSON",
        "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2024/icsa-24-165-09.json"
      },
      {
        "category": "self",
        "summary": "ICS Advisory ICSA-24-165-09 - Web Version",
        "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-24-165-09"
      },
      {
        "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/resources-tools/resources/ics-recommended-practices"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/topics/industrial-control-systems"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf"
      },
      {
        "category": "external",
        "summary": "Recommended Practices",
        "url": "https://www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B"
      }
    ],
    "title": "Siemens SICAM AK3/BC/TM",
    "tracking": {
      "current_release_date": "2024-06-11T00:00:00.000000Z",
      "generator": {
        "engine": {
          "name": "CISA CSAF Generator",
          "version": "1"
        }
      },
      "id": "ICSA-24-165-09",
      "initial_release_date": "2024-06-11T00:00:00.000000Z",
      "revision_history": [
        {
          "date": "2024-06-11T00:00:00.000000Z",
          "legacy_version": "1.0",
          "number": "1",
          "summary": "Publication Date"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cV06.02",
                "product": {
                  "name": "CPCX26 Central Processing/Communication",
                  "product_id": "CSAFPID-0001"
                }
              }
            ],
            "category": "product_name",
            "name": "CPCX26 Central Processing/Communication"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cV10.46",
                "product": {
                  "name": "ETA4 Ethernet Interface IEC60870-5-104",
                  "product_id": "CSAFPID-0002"
                }
              }
            ],
            "category": "product_name",
            "name": "ETA4 Ethernet Interface IEC60870-5-104"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cV03.27",
                "product": {
                  "name": "ETA5 Ethernet Int. 1x100TX IEC61850 Ed.2",
                  "product_id": "CSAFPID-0003"
                }
              }
            ],
            "category": "product_name",
            "name": "ETA5 Ethernet Int. 1x100TX IEC61850 Ed.2"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003cV06.05",
                "product": {
                  "name": "PCCX26 Ax 1703 PE, Contr, Communication Element",
                  "product_id": "CSAFPID-0004"
                }
              }
            ],
            "category": "product_name",
            "name": "PCCX26 Ax 1703 PE, Contr, Communication Element"
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2024-31484",
      "cwe": {
        "id": "CWE-170",
        "name": "Improper Null Termination"
      },
      "notes": [
        {
          "category": "summary",
          "text": "The affected devices contain an improper null termination vulnerability while parsing a specific HTTP header. This could allow an attacker to execute code in the context of the current process or lead to denial of service condition.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "CSAFPID-0001",
          "CSAFPID-0002",
          "CSAFPID-0003",
          "CSAFPID-0004"
        ]
      },
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Update to V06.02 or later version.\n\nThe firmware CPCX26 V06.02 is present within \u201cSICAM RTUs AK3 Package\u201d V06.02",
          "product_ids": [
            "CSAFPID-0001"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update to V06.05 or later version\n\nThe firmware PCCX26 V06.05 is present within \u201cSICAM RTUs AK3 Package\u201d V06.02",
          "product_ids": [
            "CSAFPID-0004"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update to V10.46 or later version\n\nThe firmware ETA4 V10.46 is present within \u201cSICAM RTUs AK3 Package\u201d V06.02",
          "product_ids": [
            "CSAFPID-0002"
          ]
        },
        {
          "category": "vendor_fix",
          "details": "Update to V03.27 or later version\n\nThe firmware ETA5 V03.27 is present within \u201cSICAM RTUs AK3 Package\u201d V06.02",
          "product_ids": [
            "CSAFPID-0003"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-0001",
            "CSAFPID-0002",
            "CSAFPID-0003",
            "CSAFPID-0004"
          ]
        }
      ],
      "title": "CVE-2024-31484"
    }
  ]
}