Summary
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.
Siemens 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.
Additionally, 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.
Vulnerabilities 1
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High 7.5
Profinet-IO (PNIO) stack versions prior V06.00 do not properly limit internal resource allocation when multiple legitim…
Revision history
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#15
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
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#14
Added fix for SIMATIC CP 443-1 family
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#13
No fix planned for SIMATIC CP 443-1 Advanced and SIPLUS NET CP 443-1 Advanced
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#12
Added solution for SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants)
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#11
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
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#10
Clarified affected ET200ecoPN models
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#9
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
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#8
Added ecoPN model (6ES7148-6JG00-0BB0) as not affected. Added update information for MV400
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#7
Added SIMOTION products; Updated information regarding successor products for SIMATIC RF180C and RF182C
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#6
Informed about successor products for SIMATIC RF180C and RF182C
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#4
No changes - this version was never released
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#5
Added SIMATIC ET200ecoPN product variants (MLFB IDs) that are not affected
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#3
Additional information in section "Workarounds and Mitigations"
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#2
Added affected product SOFTNET-IE PNIO
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#1
Publication Date
References
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SSA-780073: Denial of Service Vulnerability in PROFINET Devices via DCE-RPC Packets - HTML Version
https://cert-portal.siemens.com/productcert/html/ssa-780073.html
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SSA-780073: Denial of Service Vulnerability in PROFINET Devices via DCE-RPC Packets - PDF Version
https://cert-portal.siemens.com/productcert/pdf/ssa-780073.pdf
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SSA-780073: Denial of Service Vulnerability in PROFINET Devices via DCE-RPC Packets - TXT Version
https://cert-portal.siemens.com/productcert/txt/ssa-780073.txt