{ "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": "Products that include the Siemens PROFINET-IO (PNIO) stack in versions prior V06.00 are potentially affected by a denial of service vulnerability when multiple legitimate diagnostic package requests are sent to the DCE-RPC interface.\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.\n\nAdditionally, Siemens recommends other vendors of PROFINET devices to check if their products have incorporated a vulnerable version of the Siemens PNIO stack as part of the Siemens Development/Evaluation Kits.", "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-780073: Denial of Service Vulnerability in PROFINET Devices via DCE-RPC Packets - CSAF Version", "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-780073.json" }, { "category": "self", "summary": "SSA-780073: Denial of Service Vulnerability in PROFINET Devices via DCE-RPC Packets - HTML Version", "url": "https://cert-portal.siemens.com/productcert/html/ssa-780073.html" }, { "category": "self", "summary": "SSA-780073: Denial of Service Vulnerability in PROFINET Devices via DCE-RPC Packets - PDF Version", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-780073.pdf" }, { "category": "self", "summary": "SSA-780073: Denial of Service Vulnerability in PROFINET Devices via DCE-RPC Packets - TXT Version", "url": "https://cert-portal.siemens.com/productcert/txt/ssa-780073.txt" }, { "category": "self", "summary": "ICS Advisory ICSA-20-042-04 JSON", "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2020/icsa-20-042-04.json" }, { "category": "self", "summary": "ICS Advisory ICSA-20-042-04 - Web Version", "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-20-042-04" }, { "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-IO Stack (Update H)", "tracking": { "current_release_date": "2024-07-09T00:00:00.000000Z", "generator": { "engine": { "name": "CISA CSAF Generator", "version": "1.0.0" } }, "id": "ICSA-20-042-04", "initial_release_date": "2020-02-11T00:00:00.000000Z", "revision_history": [ { "date": "2020-02-11T00:00:00.000000Z", "legacy_version": "1.0", "number": "1", "summary": "Publication Date" }, { "date": "2020-03-10T00:00:00.000000Z", "legacy_version": "1.1", "number": "2", "summary": "Added affected product SOFTNET-IE PNIO" }, { "date": "2020-03-12T00:00:00.000000Z", "legacy_version": "1.2", "number": "3", "summary": "Additional information in section \"Workarounds and Mitigations\"" }, { "date": "2020-08-11T00:00:00.000000Z", "legacy_version": "1.3", "number": "4", "summary": "No changes - this version was never released" }, { "date": "2020-08-11T00:00:00.000000Z", "legacy_version": "1.4", "number": "5", "summary": "Added SIMATIC ET200ecoPN product variants (MLFB IDs) that are not affected" }, { "date": "2020-09-08T00:00:00.000000Z", "legacy_version": "1.5", "number": "6", "summary": "Informed about successor products for SIMATIC RF180C and RF182C" }, { "date": "2020-12-08T00:00:00.000000Z", "legacy_version": "1.6", "number": "7", "summary": "Added SIMOTION products; Updated information regarding successor products for SIMATIC RF180C and RF182C" }, { "date": "2021-03-09T00:00:00.000000Z", "legacy_version": "1.7", "number": "8", "summary": "Added ecoPN model (6ES7148-6JG00-0BB0) as not affected. Added update information for MV400" }, { "date": "2021-09-14T00:00:00.000000Z", "legacy_version": "1.8", "number": "9", "summary": "Added solution for SCALANCE X-200 switch family, explicitly list SCALANCE XB-200, XC-200, XP-200, XF-200BA and XR-300WG, as well as SCALANCE M-800 / S615 as separate products" }, { "date": "2021-10-12T00:00:00.000000Z", "legacy_version": "1.9", "number": "10", "summary": "Clarified affected ET200ecoPN models" }, { "date": "2022-02-08T00:00:00.000000Z", "legacy_version": "2.0", "number": "11", "summary": "No remediation planned for SIMATIC CP 343-1 (incl. Advanced, ERPC, Lean and related SIPLUS variants), SIMATIC CP 443-1 OPC UA, SIMATIC ET200 devices, and SOFTNET-IE PNIO" }, { "date": "2022-04-12T00:00:00.000000Z", "legacy_version": "2.1", "number": "12", "summary": "Added solution for SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants)" }, { "date": "2022-06-14T00:00:00.000000Z", "legacy_version": "2.2", "number": "13", "summary": "No fix planned for SIMATIC CP 443-1 Advanced and SIPLUS NET CP 443-1 Advanced" }, { "date": "2023-04-11T00:00:00.000000Z", "legacy_version": "2.3", "number": "14", "summary": "Added fix for SIMATIC CP 443-1 family" }, { "date": "2024-07-09T00:00:00.000000Z", "legacy_version": "2.4", "number": "15", "summary": "Listed affected products individually instead of product families (e.g., for SIMATIC MV400, SIMATIC ET 200AL/MP/SP/pro IM families); added affected SIPLUS devices (e.g., SIPLUS ET 200xx IM); corrected fix version for SIMATIC ET 200SP IM 155-6 PN HF" } ], "status": "final", "version": "15" } }, "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": "