{ "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": "Several industrial products are affected by a vulnerability that could allow remote attackers to conduct a denial of service attack by sending specially crafted packets to port 161/udp (SNMP).\n\nSiemens has released new versions for several affected products and recommends to update to the latest versions. Siemens is preparing further fix versions and 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": "Siemens Security Advisories are subject to the terms and conditions contained in Siemens' 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' 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's 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-346262: Denial of Service Vulnerability in SNMP Interface of Industrial Products - CSAF Version", "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-346262.json" }, { "category": "self", "summary": "SSA-346262: Denial of Service Vulnerability in SNMP Interface of Industrial Products - HTML Version", "url": "https://cert-portal.siemens.com/productcert/html/ssa-346262.html" }, { "category": "self", "summary": "SSA-346262: Denial of Service Vulnerability in SNMP Interface of Industrial Products - PDF Version", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-346262.pdf" }, { "category": "self", "summary": "SSA-346262: Denial of Service Vulnerability in SNMP Interface of Industrial Products - TXT Version", "url": "https://cert-portal.siemens.com/productcert/txt/ssa-346262.txt" }, { "category": "self", "summary": "ICS Advisory ICSA-17-339-01 JSON", "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2017/icsa-17-339-01.json" }, { "category": "self", "summary": "ICS Advisory ICSA-17-339-01 - Web Version", "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-17-339-01" }, { "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 Industrial Products (Update S)", "tracking": { "current_release_date": "2024-07-09T00:00:00.000000Z", "generator": { "engine": { "name": "CISA CSAF Generator", "version": "1.0.0" } }, "id": "ICSA-17-339-01", "initial_release_date": "2017-11-23T00:00:00.000000Z", "revision_history": [ { "date": "2017-11-23T00:00:00.000000Z", "legacy_version": "1.0", "number": "1", "summary": "Publication Date" }, { "date": "2017-12-18T00:00:00.000000Z", "legacy_version": "1.1", "number": "2", "summary": "Changed affected products: V2.0 and newer of SIMATIC S7-1500 and V2.0 and newer of SIMATIC S7-1500 Software Controller are not affected. Added update information for SIMATIC S7-400 H V6" }, { "date": "2018-01-18T00:00:00.000000Z", "legacy_version": "1.2", "number": "3", "summary": "New advisory format, added update information for SINAMICS V90 w. PN, SINAMICS S120 and SINAMICS S110 w. PN" }, { "date": "2018-01-24T00:00:00.000000Z", "legacy_version": "1.3", "number": "4", "summary": "Added update for S7-400 V7 and SIMATIC ET 200MP IM155-5 PN BA" }, { "date": "2018-02-22T00:00:00.000000Z", "legacy_version": "1.4", "number": "5", "summary": "Added update for SIMATIC ET 200MP IM155-5 PN ST, SIMOTION P V4.4 and V4.5, and Development/Evaluation Kits for PROFINET IO DK Standard Ethernet Controller and EK-ERTEC 200, Corrected patch link for SIMOTION D" }, { "date": "2018-05-03T00:00:00.000000Z", "legacy_version": "1.5", "number": "6", "summary": "Added update information for V4.8 of SINAMICS G130, G150, S120 and S150" }, { "date": "2018-05-15T00:00:00.000000Z", "legacy_version": "1.6", "number": "7", "summary": "Added update information for V4.7 of SINAMICS G130, G150, S120 and S150" }, { "date": "2018-09-11T00:00:00.000000Z", "legacy_version": "1.7", "number": "8", "summary": "Added update for SINAMICS DCP w. PN and SINAMICS DCM w. PN" }, { "date": "2018-10-09T00:00:00.000000Z", "legacy_version": "1.8", "number": "9", "summary": "Added update for SIMATIC S7-1200 CPU" }, { "date": "2018-11-13T00:00:00.000000Z", "legacy_version": "1.9", "number": "10", "summary": "Updated solution for SINAMICS S120, added solution for PN/PN Coupler, SIMATIC ET200 SP, SIMATIC S7-400 V8, SIMOCODE pro V PROFINET" }, { "date": "2018-12-11T00:00:00.000000Z", "legacy_version": "2.0", "number": "11", "summary": "Updated solution for SIMATIC ET 200MP IM155-5 PN HF" }, { "date": "2019-01-08T00:00:00.000000Z", "legacy_version": "2.1", "number": "12", "summary": "Updated solution for SIMATIC S7-300" }, { "date": "2019-02-12T00:00:00.000000Z", "legacy_version": "2.2", "number": "13", "summary": "Updated solution for SIMATIC ET 200SP IM155-6 PN HA" }, { "date": "2019-03-12T00:00:00.000000Z", "legacy_version": "2.3", "number": "14", "summary": "Update for SINUMERIK 840D sl" }, { "date": "2019-10-08T00:00:00.000000Z", "legacy_version": "2.4", "number": "15", "summary": "Renamed SIMATIC WinAC RTX 2010 incl. F to SIMATIC WinAC RTX (F) 2010 and added update information for SIMATIC WinAC RTX (F) 2010" }, { "date": "2020-02-10T00:00:00.000000Z", "legacy_version": "2.5", "number": "16", "summary": "SIPLUS devices now explicitly mentioned in the list of affected products" }, { "date": "2020-04-14T00:00:00.000000Z", "legacy_version": "2.6", "number": "17", "summary": "Mention that SIMATIC S7-400 CPU family below V6 is vulnerable" }, { "date": "2020-07-14T00:00:00.000000Z", "legacy_version": "2.7", "number": "18", "summary": "Added SIMATIC TDC CP51M1 and CPU555 to the list of affected products" }, { "date": "2020-08-11T00:00:00.000000Z", "legacy_version": "2.8", "number": "19", "summary": "Added SIMATIC ET200ecoPN product variants (MLFB IDs) that are not affected" }, { "date": "2021-03-09T00:00:00.000000Z", "legacy_version": "2.9", "number": "20", "summary": "Added ecoPN model (6ES7148-6JG00-0BB0) as not affected" }, { "date": "2021-06-08T00:00:00.000000Z", "legacy_version": "3.0", "number": "21", "summary": "Updated solution for SIMATIC ET200SP IM155-6 PN HS" }, { "date": "2021-10-12T00:00:00.000000Z", "legacy_version": "3.1", "number": "22", "summary": "Clarified affected ET200ecoPN models" }, { "date": "2022-02-08T00:00:00.000000Z", "legacy_version": "3.2", "number": "23", "summary": "Clarified that no remediation is planned for ET200 devices" }, { "date": "2024-07-09T00:00:00.000000Z", "legacy_version": "3.3", "number": "24", "summary": "Listed affected products individually instead of product families (e.g., for SIMATIC ET 200AL/MP/SP/pro IM families); added affected SIPLUS devices (e.g., SIPLUS ET 200xx IM)" } ], "status": "final", "version": "24" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "