{ "document": { "acknowledgments": [ { "organization": "Siemens ProductCERT", "summary": "reporting this vulnerability to CISA." }, { "names": [ "Humza Ahmand", "Albert Spruyt" ], "organization": "ENCS", "summary": "reporting the vulnerability" } ], "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Disclosure is not limited", "tlp": { "label": "WHITE", "url": "https://www.cisa.gov/news-events/news/traffic-light-protocol-tlp-definitions-and-usage" } }, "lang": "en", "notes": [ { "category": "summary", "text": "Multiple SICAM products are affected by buffer overflow vulnerability in the IEC 61850 Client libraries from Triangle MicroWorks that could allow an unauthenticated remote attacker to create a denial of service condition by sending specially crafted MMS messages.\n\nAffected SICAM and SITIPE products:\n\n- \nSICAM A8000 Device firmware \n\n- ET85 for CP-8000/CP-8021/CP-8022\n- ETI5 for CP-8031/CP-8050\n\n\n- \nSICAM EGS Device firmware \n\n- ETI5\n\n\n- \nSICAM S8000\n\n- ETI5 \n\n\n- \nSICAM SCC\n\n\n- SITIPE AT\n\nSiemens has released new versions for the affected products and recommends to update to the latest versions.", "title": "Summary" }, { "category": "general", "text": "Operators of critical power systems (e.g. TSOs or DSOs) worldwide are usually required by regulations to build resilience into the power grids by applying multi-level redundant secondary protection schemes. It is therefore recommended that the operators check whether appropriate resilient protection measures are in place. The risk of cyber incidents impacting the grid's reliability can thus be minimized by virtue of the grid design.\nSiemens strongly recommends applying the provided security updates using the corresponding tooling and documented procedures made available with the product. If supported by the product, an automated means to apply the security updates across multiple product instances may be used. Siemens strongly recommends prior validation of any security update before being applied, and supervision by trained staff of the update process in the target environment. \nAs a general security measure Siemens strongly recommends to protect network access with appropriate mechanisms (e.g. firewalls, segmentation, VPN). It is advised to configure the environment according to our operational guidelines in order to run the devices in a protected IT environment.\n\nRecommended security guidelines can be found at:\nhttps://www.siemens.com/gridsecurity", "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": "The use of Siemens Security Advisories is subject to the terms and conditions listed on: https://www.siemens.com/productcert/terms-of-use.", "title": "Terms of Use" }, { "category": "legal_disclaimer", "text": "This product is provided subject to this Notification (https://www.cisa.gov/notification) and this Privacy & Use policy (https://www.cisa.gov/privacy-policy).", "title": "Legal Notice and Terms of Use" }, { "category": "other", "text": "This ICSA is a verbatim republication of Siemens ProductCERT SSA-673996 from a direct conversion of the vendor's Common Security Advisory Framework (CSAF) advisory. This is republished to CISA's website as a means of increasing visibility and is provided \"as-is\" for informational purposes only. CISA is not responsible for the editorial or technical accuracy of republished advisories and provides no warranties of any kind regarding any information contained within this advisory. Further, CISA does not endorse any commercial product or service. Please contact Siemens ProductCERT directly for any questions regarding this advisory.", "title": "Advisory Conversion Disclaimer" }, { "category": "other", "text": "Chemical, Critical Manufacturing, Energy, Food and Agriculture, Water and Wastewater", "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-673996: Buffer Overflow Vulnerability in Third-Party Component in SICAM and SITIPE Products - CSAF Version", "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-673996.json" }, { "category": "self", "summary": "SSA-673996: Buffer Overflow Vulnerability in Third-Party Component in SICAM and SITIPE Products - HTML Version", "url": "https://cert-portal.siemens.com/productcert/html/ssa-673996.html" }, { "category": "self", "summary": "ICS Advisory ICSA-24-256-16 JSON", "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2024/icsa-24-256-16.json" }, { "category": "self", "summary": "ICS Advisory ICSA-24-256-16 - Web Version", "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-24-256-16" }, { "category": "external", "summary": "Recommended Practices", "url": "https://www.cisa.gov/news-events/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://www.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/news-events/news/targeted-cyber-intrusion-detection-and-mitigation-strategies-update-b" } ], "title": "Siemens Third-Party Component in SICAM and SITIPE Products", "tracking": { "current_release_date": "2025-12-09T00:00:00.000000Z", "generator": { "date": "2025-12-11T21:03:09.637168Z", "engine": { "name": "CISA CSAF Generator", "version": "1.0.0" } }, "id": "ICSA-24-256-16", "initial_release_date": "2024-09-10T00:00:00.000000Z", "revision_history": [ { "date": "2024-09-10T00:00:00.000000Z", "legacy_version": "1.0", "number": "1", "summary": "Publication Date" }, { "date": "2024-12-10T00:00:00.000000Z", "legacy_version": "1.1", "number": "2", "summary": "Changed fix version for SICAM SCC from V10.0 to V9.14 HF2, which is now also released; Added ET85 for SICAM A8000 CP-8000/CP-8021/CP-8022 as affected product; Updated CVE data from meanwhile published official source (https://cveawg.mitre.org/api/cve/CVE-2024-34057)" }, { "date": "2025-05-13T00:00:00.000000Z", "legacy_version": "1.2", "number": "3", "summary": "Added fix for SITIPE AT and updated product name of \"SICAM 8 Software Solution\" to \"SICAM S8000\"" }, { "date": "2025-12-09T00:00:00.000000Z", "legacy_version": "1.3", "number": "4", "summary": "Added fix version for ET85 Ethernet Interface IEC61850 Ed.2" } ], "status": "final", "version": "4" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:intdot/<03.27", "product": { "name": "ET85 Ethernet Interface IEC61850 Ed.2", "product_id": "CSAFPID-0001" } } ], "category": "product_name", "name": "ET85 Ethernet Interface IEC61850 Ed.2" }, { "branches": [ { "category": "product_version_range", "name": "vers:intdot/<05.30", "product": { "name": "ETI5 Ethernet Int. 1x100TX IEC61850", "product_id": "CSAFPID-0002" } } ], "category": "product_name", "name": "ETI5 Ethernet Int. 1x100TX IEC61850" }, { "branches": [ { "category": "product_version_range", "name": "