-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 # SSA-446448: Denial of Service Vulnerability in PROFINET Stack Integrated on Interniche Stack Publication Date: 2022-04-12 Last Update: 2023-07-11 Current Version: 1.9 CVSS v3.1 Base Score: 5.3 SUMMARY ======= The PROFINET (PNIO) stack, when integrated with the Interniche IP stack, contains a vulnerability that could allow an attacker to cause a denial of service condition on affected industrial products. Siemens has released updates for several affected products and recommends to update to the latest versions. Siemens is preparing further updates and recommends specific countermeasures for products where updates are not, or not yet available. AFFECTED PRODUCTS AND SOLUTION ============================== * SIMATIC CFU DIQ (6ES7655-5PX31-1XX0) - Affected versions: All versions - Remediation: Currently no fix is available See recommendations from section "Workarounds and Mitigations" * SIMATIC CFU PA (6ES7655-5PX11-0XX0) - Affected versions: All versions - Remediation: Currently no fix is available See recommendations from section "Workarounds and Mitigations" * SIMATIC ET200AL IM157-1 PN - Affected versions: All versions - Remediation: Currently no fix is planned See recommendations from section "Workarounds and Mitigations" * SIMATIC ET200ecoPN, AI 8xRTD/TC, M12-L (6ES7144-6JF00-0BB0) - Affected versions: All versions >= V5.1.1 - Remediation: Currently no fix is planned See recommendations from section "Workarounds and Mitigations" * SIMATIC ET200ecoPN, CM 4x IO-Link, M12-L (6ES7148-6JE00-0BB0) - Affected versions: All versions >= V5.1.1 - Remediation: Currently no fix is planned See recommendations from section "Workarounds and Mitigations" * SIMATIC ET200ecoPN, CM 8x IO-Link, M12-L (6ES7148-6JG00-0BB0) - Affected versions: All versions >= V5.1.1 - Remediation: Currently no fix is planned See recommendations from section "Workarounds and Mitigations" * SIMATIC ET200ecoPN, CM 8x IO-Link, M12-L (6ES7148-6JJ00-0BB0) - Affected versions: All versions >= V5.1.1 - Remediation: Currently no fix is planned See recommendations from section "Workarounds and Mitigations" * SIMATIC ET200ecoPN, DI 8x24VDC, M12-L (6ES7141-6BG00-0BB0) - Affected versions: All versions >= V5.1.1 - Remediation: Currently no fix is planned See recommendations from section "Workarounds and Mitigations" * SIMATIC ET200ecoPN, DI 16x24VDC, M12-L (6ES7141-6BH00-0BB0) - Affected versions: All versions >= V5.1.1 - Remediation: Currently no fix is planned See recommendations from section "Workarounds and Mitigations" * SIMATIC ET200ecoPN, DIQ 16x24VDC/2A, M12-L (6ES7143-6BH00-0BB0) - Affected versions: All versions >= V5.1.1 - Remediation: Currently no fix is planned See recommendations from section "Workarounds and Mitigations" * SIMATIC ET200ecoPN, DQ 8x24VDC/0,5A, M12-L (6ES7142-6BG00-0BB0) - Affected versions: All versions >= V5.1.1 - Remediation: Currently no fix is planned See recommendations from section "Workarounds and Mitigations" * SIMATIC ET200ecoPN, DQ 8x24VDC/2A, M12-L (6ES7142-6BR00-0BB0) - Affected versions: All versions >= V5.1.1 - Remediation: Currently no fix is planned See recommendations from section "Workarounds and Mitigations" * SIMATIC ET200MP IM155-5 PN HF (incl. SIPLUS variants) - Affected versions: All versions >= V4.2 - Remediation: Currently no fix is planned See recommendations from section "Workarounds and Mitigations" * SIMATIC ET200SP IM155-6 MF HF - Affected versions: All versions - Remediation: Currently no fix is planned See recommendations from section "Workarounds and Mitigations" * SIMATIC ET200SP IM155-6 PN HA (incl. SIPLUS variants) - Affected versions: All versions - Remediation: Currently no fix is planned See recommendations from section "Workarounds and Mitigations" * SIMATIC ET200SP IM155-6 PN HF (incl. SIPLUS variants) - Affected versions: All versions >= V4.2 - Remediation: Currently no fix is planned See recommendations from section "Workarounds and Mitigations" * SIMATIC ET200SP IM155-6 PN/2 HF (incl. SIPLUS variants) - Affected versions: All versions >= V4.2 - Remediation: Currently no fix is planned See recommendations from section "Workarounds and Mitigations" * SIMATIC ET200SP IM155-6 PN/3 HF (incl. SIPLUS variants) - Affected versions: All versions >= V4.2 - Remediation: Currently no fix is planned See recommendations from section "Workarounds and Mitigations" * SIMATIC ET 200pro IM154-8 PN/DP CPU (6ES7154-8AB01-0AB0) - Affected versions: All versions < V3.2.19 - Remediation: Update to V3.2.19 or later version See further recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/47354502/ * SIMATIC ET 200pro IM154-8F PN/DP CPU (6ES7154-8FB01-0AB0) - Affected versions: All versions < V3.2.19 - Remediation: Update to V3.2.19 or later version See further recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/47354578/ * SIMATIC ET 200pro IM154-8FX PN/DP CPU (6ES7154-8FX00-0AB0) - Affected versions: All versions < V3.2.19 - Remediation: Update to V3.2.19 or later version See further recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/62612377/ * SIMATIC ET 200S IM151-8 PN/DP CPU (6ES7151-8AB01-0AB0) - Affected versions: All versions < V3.2.19 - Remediation: Update to V3.2.19 or later version See further recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/47353723/ * SIMATIC ET 200S IM151-8F PN/DP CPU (6ES7151-8FB01-0AB0) - Affected versions: All versions < V3.2.19 - Remediation: Update to V3.2.19 or later version See further recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/47354354/ * SIMATIC PN/MF Coupler (6ES7158-3MU10-0XA0) - Affected versions: All versions - Remediation: Currently no fix is planned See recommendations from section "Workarounds and Mitigations" * SIMATIC PN/PN Coupler (6ES7158-3AD10-0XA0) - Affected versions: All versions >= 4.2 - Remediation: Currently no fix is planned See recommendations from section "Workarounds and Mitigations" * SIMATIC S7-300 CPU 314C-2 PN/DP (6ES7314-6EH04-0AB0) - Affected versions: All versions < V3.3.19 - Remediation: Update to V3.3.19 or later version See further recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/51466769/ * SIMATIC S7-300 CPU 315-2 PN/DP (6ES7315-2EH14-0AB0) - Affected versions: All versions < V3.2.19 - Remediation: Update to V3.2.19 or later version See further recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/40360647/ * SIMATIC S7-300 CPU 315F-2 PN/DP (6ES7315-2FJ14-0AB0) - Affected versions: All versions < V3.2.19 - Remediation: Update to V3.2.19 or later version See further recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/40944925/ * SIMATIC S7-300 CPU 315T-3 PN/DP (6ES7315-7TJ10-0AB0) - Affected versions: All versions < V3.2.19 - Remediation: Update to V3.2.19 or later version See further recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/85049260/ * SIMATIC S7-300 CPU 317-2 PN/DP (6ES7317-2EK14-0AB0) - Affected versions: All versions < V3.2.19 - Remediation: Update to V3.2.19 or later version See further recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/40362228/ * SIMATIC S7-300 CPU 317F-2 PN/DP (6ES7317-2FK14-0AB0) - Affected versions: All versions < V3.2.19 - Remediation: Update to V3.2.19 or later version See further recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/40945128/ * SIMATIC S7-300 CPU 317T-3 PN/DP (6ES7317-7TK10-0AB0) - Affected versions: All versions < V3.2.19 - Remediation: Update to V3.2.19 or later version See further recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/85059804/ * SIMATIC S7-300 CPU 317TF-3 PN/DP (6ES7317-7UL10-0AB0) - Affected versions: All versions < V3.2.19 - Remediation: Update to V3.2.19 or later version See further recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/85063017/ * SIMATIC S7-300 CPU 319-3 PN/DP (6ES7318-3EL01-0AB0) - Affected versions: All versions < V3.2.19 - Remediation: Update to V3.2.19 or later version See further recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/44442927/ * SIMATIC S7-300 CPU 319F-3 PN/DP (6ES7318-3FL01-0AB0) - Affected versions: All versions < V3.2.19 - Remediation: Update to V3.2.19 or later version See further recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/44443101/ * SIMATIC S7-400 CPU 412-2 PN V7 (6ES7412-2EK07-0AB0) - Affected versions: All versions - Remediation: Currently no fix is planned See recommendations from section "Workarounds and Mitigations" * SIMATIC S7-400 CPU 414-3 PN/DP V7 (6ES7414-3EM07-0AB0) - Affected versions: All versions - Remediation: Currently no fix is planned See recommendations from section "Workarounds and Mitigations" * SIMATIC S7-400 CPU 414F-3 PN/DP V7 (6ES7414-3FM07-0AB0) - Affected versions: All versions - Remediation: Currently no fix is planned See recommendations from section "Workarounds and Mitigations" * SIMATIC S7-400 CPU 416-3 PN/DP V7 (6ES7416-3ES07-0AB0) - Affected versions: All versions - Remediation: Currently no fix is planned See recommendations from section "Workarounds and Mitigations" * SIMATIC S7-400 CPU 416F-3 PN/DP V7 (6ES7416-3FS07-0AB0) - Affected versions: All versions - Remediation: Currently no fix is planned See recommendations from section "Workarounds and Mitigations" * SIMATIC S7-400 H V6 CPU family (incl. SIPLUS variants) - Affected versions: All versions < V6.0.10 - Remediation: Update to V6.0.10 or later version See recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/109474550/ * SIMATIC S7-410 V8 CPU family (incl. SIPLUS variants) - Affected versions: All versions < V8.2.3 - Remediation: Update to V8.2.3 or later version See recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/109476571/ * SIMATIC S7-410 V10 CPU family (incl. SIPLUS variants) - Affected versions: All versions < V10.1.1 - Remediation: Update to V10.1.1 or later version See further recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/109773044/ * SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) - Affected versions: All versions < V2.0.0 - Remediation: Update to V2.0.0 or later version See further recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/109478459/ * SIMATIC TDC CP51M1 - Affected versions: All versions < V1.1.10 - Remediation: Update to V1.1.10 or later version See recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/27049282/ * SIMATIC TDC CPU555 - Affected versions: All versions < V1.2.1 - Remediation: Update to V1.2.1 or later version See recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/109740119/ * SIMATIC WinAC RTX 2010 (6ES7671-0RC08-0YA0) - Affected versions: All versions - Remediation: Currently no fix is planned See recommendations from section "Workarounds and Mitigations" * SIMATIC WinAC RTX F 2010 (6ES7671-1RC08-0YA0) - Affected versions: All versions - Remediation: Currently no fix is planned See recommendations from section "Workarounds and Mitigations" * SINAMICS DCM - Affected versions: All versions with Ethernet interface - Remediation: Currently no fix is available See recommendations from section "Workarounds and Mitigations" * SINAMICS G110M - Affected versions: All versions < V4.7.14 with Ethernet interface - Remediation: Update to V4.7.14 or later version See recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/109817231/ * SINAMICS G115D - Affected versions: All versions < V4.7.14 with Ethernet interface - Remediation: Update to V4.7.14 or later version See recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/109817231/ * SINAMICS G120 (incl. SIPLUS variants) - Affected versions: All versions < V4.7.14 with Ethernet interface - Remediation: Update to V4.7.14 or later version See recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/109817231/ * SINAMICS G130 - Affected versions: All versions < V5.2.3.13 - Remediation: Update to V5.2.3.13 or later version See recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/109764679/ * SINAMICS G150 - Affected versions: All versions < V5.2.3.13 - Remediation: Update to V5.2.3.13 or later version See recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/109764679/ * SINAMICS S110 - Affected versions: All versions with Ethernet interface - Remediation: Currently no fix is available See recommendations from section "Workarounds and Mitigations" * SINAMICS S120 (incl. SIPLUS variants) - Affected versions: All versions < V5.2.3.13 - Remediation: Update to V5.2.3.13 or later version See recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/109780844/ * SINAMICS S150 - Affected versions: All versions < V5.2.3.13 - Remediation: Update to V5.2.3.13 or later version See recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/109764679/ * SINAMICS S210 - Affected versions: All versions - Remediation: Currently no fix is available See recommendations from section "Workarounds and Mitigations" * SINAMICS V90 - Affected versions: All versions with Ethernet interface - Remediation: Currently no fix is available See recommendations from section "Workarounds and Mitigations" * SIPLUS ET 200S IM151-8 PN/DP CPU (6AG1151-8AB01-7AB0) - Affected versions: All versions < V3.2.19 - Remediation: Update to V3.2.19 or later version See further recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/47353723/ * SIPLUS ET 200S IM151-8F PN/DP CPU (6AG1151-8FB01-2AB0) - Affected versions: All versions < V3.2.19 - Remediation: Update to V3.2.19 or later version See further recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/47354354/ * SIPLUS HCS4200 CIM4210 (6BK1942-1AA00-0AA0) - Affected versions: All versions - Remediation: Currently no fix is planned See recommendations from section "Workarounds and Mitigations" * SIPLUS HCS4200 CIM4210C (6BK1942-1AA00-0AA1) - Affected versions: All versions - Remediation: Currently no fix is planned See recommendations from section "Workarounds and Mitigations" * SIPLUS HCS4300 CIM4310 (6BK1943-1AA00-0AA0) - Affected versions: All versions - Remediation: Currently no fix is planned See recommendations from section "Workarounds and Mitigations" * SIPLUS NET PN/PN Coupler (6AG2158-3AD10-4XA0) - Affected versions: All versions >= 4.2 - Remediation: Currently no fix is planned See recommendations from section "Workarounds and Mitigations" * SIPLUS S7-300 CPU 314C-2 PN/DP (6AG1314-6EH04-7AB0) - Affected versions: All versions < V3.3.19 - Remediation: Update to V3.3.19 or later version See further recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/51466769/ * SIPLUS S7-300 CPU 315-2 PN/DP (6AG1315-2EH14-7AB0) - Affected versions: All versions < V3.2.19 - Remediation: Update to V3.2.19 or later version See further recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/40360647/ * SIPLUS S7-300 CPU 315F-2 PN/DP (6AG1315-2FJ14-2AB0) - Affected versions: All versions < V3.2.19 - Remediation: Update to V3.2.19 or later version See further recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/40944925/ * SIPLUS S7-300 CPU 317-2 PN/DP (6AG1317-2EK14-7AB0) - Affected versions: All versions < V3.2.19 - Remediation: Update to V3.2.19 or later version See further recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/40362228/ * SIPLUS S7-300 CPU 317F-2 PN/DP (6AG1317-2FK14-2AB0) - Affected versions: All versions < V3.2.19 - Remediation: Update to V3.2.19 or later version See further recommendations from section "Workarounds and Mitigations" - Download: https://support.industry.siemens.com/cs/ww/en/view/40945128/ * SIPLUS S7-400 CPU 414-3 PN/DP V7 (6AG1414-3EM07-7AB0) - Affected versions: All versions - Remediation: Currently no fix is planned See recommendations from section "Workarounds and Mitigations" * SIPLUS S7-400 CPU 416-3 PN/DP V7 (6AG1416-3ES07-7AB0) - Affected versions: All versions - Remediation: Currently no fix is planned See recommendations from section "Workarounds and Mitigations" WORKAROUNDS AND MITIGATIONS =========================== Siemens has identified the following specific workarounds and mitigations that customers can apply to reduce the risk: * Limit access to port 102/tcp to trusted users and systems only Product-specific remediations or mitigations can be found in the section "Affected Products and Solution". Please follow the "General Security Recommendations". GENERAL SECURITY RECOMMENDATIONS ================================ 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: https://www.siemens.com/cert/operational-guidelines-industrial- security), and to follow the recommendations in the product manuals. Additional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity PRODUCT DESCRIPTION =================== PN/MF coupler is used to connect an EtherNet/IP network to a PROFINET subnet or to interconnect two PROFINET subnets. PN/PN coupler is used for connecting two PROFINET networks. SIMATIC Compact Field Unit (SIMATIC CFU) is a smart field distributor for use as an I/O device on PROFINET of an automation system. SIMATIC ET 200 Interface modules for PROFINET IO are used to connect field devices (IO Devices) to controllers (IO Controller) via PROFINET. SIMATIC S7-1500 CPU products have been designed for discrete and continuous control in industrial environments such as manufacturing, food and beverages, and chemical industries worldwide. SIMATIC S7-300 controllers have been designed for discrete and continuous control in industrial environments such as manufacturing, food and beverages, and chemical industries worldwide. SIMATIC S7-400 controllers have been designed for discrete and continuous control in industrial environments such as manufacturing, food and beverages, and chemical industries worldwide. SIMATIC TDC is a multiprocessor automation system for drive, control and technology tasks. The system is used particularly for large plants. SIMATIC WinAC RTX is a SIMATIC software controller for PC-based automation solutions. The SINAMICS converter family is used to control a wide variety of drives, especially in mechanical engineering and plant construction. SIPLUS extreme products are designed for reliable operation under extreme conditions and are based on SIMATIC, LOGO!, SITOP, SINAMICS, SIMOTION, SCALANCE or other devices. SIPLUS devices use the same firmware as the product they are based on. The SIPLUS HCS 4x00 heating control system is used to control and switch heaters in industry control und operation e.g. quartz, ceramic, flash, halogen or infrared heaters. VULNERABILITY CLASSIFICATION ============================ The vulnerability classification has been performed by using the CVSS scoring system in version 3.1 (CVSS v3.1) (https://www.first.org/cvss/). The CVSS environmental score is specific to the customer's environment and will impact the overall CVSS score. The environmental score should therefore be individually defined by the customer to accomplish final scoring. An additional classification has been performed using the CWE classification, a community-developed list of common software security weaknesses. This serves as a common language and as a baseline for weakness identification, mitigation, and prevention efforts. A detailed list of CWE classes can be found at: https://cwe.mitre.org/. * Vulnerability CVE-2022-25622 The PROFINET (PNIO) stack, when integrated with the Interniche IP stack, improperly handles internal resources for TCP segments where the minimum TCP-Header length is less than defined. This could allow an attacker to create a denial of service condition for TCP services on affected devices by sending specially crafted TCP segments. CVSS v3.1 Base Score: 5.3 CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C CWE: CWE-400: Uncontrolled Resource Consumption ADDITIONAL INFORMATION ====================== For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories HISTORY DATA ============ V1.0 (2022-04-12): Publication Date V1.1 (2022-06-14): Added ET200SP/MP/AL/EcoPN, PN/xx Coupler, SIPLUS HCS4x00 and SINAMICS products to the list of affected products V1.2 (2022-07-12): Added SINAMICS S110/V90/DCM products to the list of affected products. Additional details added to SINAMICS affected versions V1.3 (2022-08-09): Added fix for SIMATIC S7-410 CPU family V1.4 (2022-10-11): Added fix for SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants); removed SIMIT Simulation Platform as not affected V1.5 (2022-12-13): Added fix for SIMATIC S7-410 V10 CPU family and SIMATIC TDC V1.6 (2023-01-10): No fix planned for SIMATIC S7-400 PN/DP V7 CPU family (incl. SIPLUS variants), added fix for SINAMICS S120 (incl. SIPLUS variants) V1.7 (2023-02-14): Added additional SIMATIC ET200ecoPN products (CM 4x IO-Link, M12-L / CM 8x IO- Link, M12-L / AI 8xRTD/TC, M12-L) to the list of affected products V1.8 (2023-04-11): Added fix for SINAMICS G130, G150, S150 V1.9 (2023-07-11): Added fix for SINAMICS G110M, G115D, G120; Expanded SIMATIC S7-400 V7 CPU family to individual products and MLFBs; clarified that no fix is planned for SIMATIC S7-400 PN/DP V7 CPUs, while other S7-400 V7 CPUs are not affected TERMS OF USE ============ 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. 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