{ "document": { "acknowledgments": [ { "organization": "Siemens", "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": "A vulnerability in affected devices could allow an attacker to perform a denial ofservice attack if a large amount of Profinet Discovery and Configuration Protocol (DCP) reset packets is sent to the affected devices.\n\nSiemens has released new versions for several affected products and recommends to update to the latest versions. Siemens recommends specific countermeasures for products where fixes are not, or not yet available.", "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' 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": "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": "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's CSAF advisory.", "title": "Advisory Conversion Disclaimer" }, { "category": "other", "text": "Chemical, Critical Manufacturing, Energy, Food and Agriculture, 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": "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-599968: Denial of Service Vulnerability in Profinet Devices - CSAF Version", "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-599968.json" }, { "category": "self", "summary": "SSA-599968: Denial of Service Vulnerability in Profinet Devices - HTML Version", "url": "https://cert-portal.siemens.com/productcert/html/ssa-599968.html" }, { "category": "self", "summary": "ICS Advisory ICSA-21-194-03 JSON", "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2021/icsa-21-194-03.json" }, { "category": "self", "summary": "ICS Advisory ICSA-21-194-03 - Web Version", "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-21-194-03" }, { "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 PROFINET Devices", "tracking": { "current_release_date": "2024-12-10T00:00:00.000000Z", "generator": { "engine": { "name": "CISA CSAF Generator", "version": "1.0.0" } }, "id": "ICSA-21-194-03", "initial_release_date": "2021-07-13T00:00:00.000000Z", "revision_history": [ { "date": "2021-07-13T00:00:00.000000Z", "legacy_version": "1.0", "number": "1", "summary": "Publication Date" }, { "date": "2021-08-10T00:00:00.000000Z", "legacy_version": "1.1", "number": "2", "summary": "Added solution for SCALANCE XR-300WG, SCALANCE XB-200, SCALANCE XP-200, SCALANCE XC-200, SCALANCE XF-200 and EK-ERTEC 200P" }, { "date": "2021-09-14T00:00:00.000000Z", "legacy_version": "1.2", "number": "3", "summary": "Added solution for SCALANCE X-200 switch family and SIMATIC NET CM 1542-1" }, { "date": "2021-10-12T00:00:00.000000Z", "legacy_version": "1.3", "number": "4", "summary": "Added solution for SIMATIC PROFINET Driver" }, { "date": "2022-02-08T00:00:00.000000Z", "legacy_version": "1.4", "number": "5", "summary": "Clarified that no remediation is planned for SCALANCE W700 and SCALANCE W1700, SIMATIC CP 1604, SIMATIC CP 1616, and SIMATIC CP 1626" }, { "date": "2022-04-12T00:00:00.000000Z", "legacy_version": "1.5", "number": "6", "summary": "Added solution for SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants) and SCALANCE W-1700 (11ac) family" }, { "date": "2024-06-11T00:00:00.000000Z", "legacy_version": "1.6", "number": "7", "summary": "Added fix for SIMATIC CFU PA/DIQ; fix planned for SIMATIC IE/PB-LINK" }, { "date": "2024-11-12T00:00:00.000000Z", "legacy_version": "1.7", "number": "8", "summary": "Added fix for SCALANCE XR-300WG family (was no longer listed since V1.5 of the SSA); consolidated and expanded list of affected SCALANCE product families, incl. MLFB information" }, { "date": "2024-12-10T00:00:00.000000Z", "legacy_version": "1.8", "number": "9", "summary": "Clarified that no fix is planned for SIMATIC IE/PB-LINK; Added CVSSv4.0 vector" } ], "status": "final", "version": "9" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:all/*", "product": { "name": "Development/Evaluation Kits for PROFINET IO: DK Standard Ethernet Controller", "product_id": "CSAFPID-0001" } } ], "category": "product_name", "name": "Development/Evaluation Kits for PROFINET IO: DK Standard Ethernet Controller" }, { "branches": [ { "category": "product_version_range", "name": "vers:all/*", "product": { "name": "Development/Evaluation Kits for PROFINET IO: EK-ERTEC 200", "product_id": "CSAFPID-0002" } } ], "category": "product_name", "name": "Development/Evaluation Kits for PROFINET IO: EK-ERTEC 200" }, { "branches": [ { "category": "product_version_range", "name": "vers:all/=V2.7", "product": { "name": "SIMATIC CP 1604 (6GK1160-4AA01)", "product_id": "CSAFPID-0284", "product_identification_helper": { "model_numbers": [ "6GK1160-4AA01" ] } } } ], "category": "product_name", "name": "SIMATIC CP 1604 (6GK1160-4AA01)" }, { "branches": [ { "category": "product_version_range", "name": ">=V2.7", "product": { "name": "SIMATIC CP 1616 (6GK1161-6AA02)", "product_id": "CSAFPID-0285", "product_identification_helper": { "model_numbers": [ "6GK1161-6AA02" ] } } } ], "category": "product_name", "name": "SIMATIC CP 1616 (6GK1161-6AA02)" }, { "branches": [ { "category": "product_version_range", "name": "vers:all/*", "product": { "name": "SIMATIC CP 1626 (6GK1162-6AA01)", "product_id": "CSAFPID-0286", "product_identification_helper": { "model_numbers": [ "6GK1162-6AA01" ] } } } ], "category": "product_name", "name": "SIMATIC CP 1626 (6GK1162-6AA01)" }, { "branches": [ { "category": "product_version_range", "name": "vers:all/>=V3", "product": { "name": "SIMATIC IE/PB-LINK", "product_id": "CSAFPID-0287" } } ], "category": "product_name", "name": "SIMATIC IE/PB-LINK" }, { "branches": [ { "category": "product_version_range", "name": "vers:all/=V2.7", "product": { "name": "SIMATIC NET DK-16xx PN IO", "product_id": "CSAFPID-0294" } } ], "category": "product_name", "name": "SIMATIC NET DK-16xx PN IO" }, { "branches": [ { "category": "product_version_range", "name": "vers:all/*", "product": { "name": "SIMATIC Power Line Booster PLB, Base Module (6ES7972-5AA10-0AB0)", "product_id": "CSAFPID-0295", "product_identification_helper": { "model_numbers": [ "6ES7972-5AA10-0AB0" ] } } } ], "category": "product_name", "name": "SIMATIC Power Line Booster PLB, Base Module (6ES7972-5AA10-0AB0)" }, { "branches": [ { "category": "product_version_range", "name": "vers:all/