{ "document": { "acknowledgments": [ { "organization": "Siemens ProductCERT", "summary": "reporting this vulnerability to CISA." }, { "names": [ "Artem Zinenko" ], "organization": "Kaspersky", "summary": "pointing out that SIPLUS should also be mentioned" } ], "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Disclosure is not limited", "tlp": { "label": "WHITE", "url": "https://us-cert.cisa.gov/tlp/" } }, "notes": [ { "category": "summary", "text": "A vulnerability has been identified in the OPC UA server of several\nindustrial products. The vulnerability could cause a denial of\nservice condition on the service or the device. Siemens has\nreleased updates for several affected products and recommends to\nupdate to the latest versions. Siemens recommends specific\ncountermeasures for products where updates are not, or not yet\navailable.", "title": "Summary" }, { "category": "general", "text": "As a general security measure, Siemens strongly recommends to protect\nnetwork access to devices with appropriate mechanisms. In order to\noperate the devices in a protected IT environment, Siemens recommends\nto configure the environment according to Siemens' operational\nguidelines for Industrial Security (Download:\nhttps://www.siemens.com/cert/operational-guidelines-industrial-\nsecurity), and to follow the recommendations in the product manuals.\n\nAdditional information on Industrial Security by Siemens can be found\nat: 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-307392: Denial of Service in OPC UA in Industrial Products - CSAF Version", "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-307392.json" }, { "category": "self", "summary": "SSA-307392: Denial of Service in OPC UA in Industrial Products - TXT Version", "url": "https://cert-portal.siemens.com/productcert/txt/ssa-307392.txt" }, { "category": "self", "summary": "SSA-307392: Denial of Service in OPC UA in Industrial Products - PDF Version", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-307392.pdf" }, { "category": "self", "summary": "ICS Advisory ICSA-19-134-09 JSON", "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2019/icsa-19-134-09.json" }, { "category": "self", "summary": "ICS Advisory ICSA-19-134-09 - Web Version", "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-19-134-09" }, { "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 SIMATIC Panels and WinCC (TIA Portal)", "tracking": { "current_release_date": "2022-08-09T00:00:00.000000Z", "generator": { "engine": { "name": "CISA CSAF Generator", "version": "1.0.0" } }, "id": "ICSA-19-134-09", "initial_release_date": "2019-04-09T00:00:00.000000Z", "revision_history": [ { "date": "2019-04-09T00:00:00.000000Z", "legacy_version": "1.0", "number": "1", "summary": "Publication Date" }, { "date": "2019-05-14T00:00:00.000000Z", "legacy_version": "1.1", "number": "2", "summary": "Clarify productnames for SIMATIC HMI Products, added solution for SIMATIC S7-1500 CPU family, modified affected versions for SIMATIC Net PC Software" }, { "date": "2019-06-11T00:00:00.000000Z", "legacy_version": "1.2", "number": "3", "summary": "Added update for SIMATIC Software Controller and SIMATIC ET 200 SP Open Controller CPU 1515SP PC2" }, { "date": "2019-07-09T00:00:00.000000Z", "legacy_version": "1.3", "number": "4", "summary": "Added update for SIMATIC RF600R, SIMATIC RF188C and SINEMA Server" }, { "date": "2020-01-14T00:00:00.000000Z", "legacy_version": "1.4", "number": "5", "summary": "Added updates for SIMATIC Panels and SIMATIC WinCC Runtime Advanced. SIPLUS devices now explicitly mentioned in the list of affected products" }, { "date": "2020-02-11T00:00:00.000000Z", "legacy_version": "1.5", "number": "6", "summary": "Added updates for SIMATIC NET PC Software" }, { "date": "2020-03-10T00:00:00.000000Z", "legacy_version": "1.6", "number": "7", "summary": "Added updates for SIMATIC IPC DiagMonitor and SINEC" }, { "date": "2022-02-08T00:00:00.000000Z", "legacy_version": "1.7", "number": "8", "summary": "No remediation planned for SIMATIC CP 443-1 OPC UA" }, { "date": "2022-04-12T00:00:00.000000Z", "legacy_version": "1.8", "number": "9", "summary": "Added solution for SIMATIC NET PC Software V14 and clarified affected versions; no remediation planned for V15" }, { "date": "2022-08-09T00:00:00.000000Z", "legacy_version": "1.9", "number": "10", "summary": "Added fix for TeleControl Server Basic" } ], "status": "final", "version": "10" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:all/*", "product": { "name": "SIMATIC CP 443-1 OPC UA", "product_id": "CSAFPID-0001", "product_identification_helper": { "model_numbers": [ "6GK7443-1UX00-0XE0" ] } } } ], "category": "product_name", "name": "SIMATIC CP 443-1 OPC UA" }, { "branches": [ { "category": "product_version_range", "name": "=V2.5_