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High SSA-726834 1 CVE

SSA-726834: Denial of Service Vulnerability in the RADIUS Client of SIPROTEC 5 Devices

Published Mar 14, 2023 · Updated Apr 14, 2026 · Revision 2

Vendor: Siemens Product: SIPROTEC 5 6MD85 (CP300) Product: SIPROTEC 5 6MD86 (CP300) Product: SIPROTEC 5 6MD89 (CP300) Product: SIPROTEC 5 6MU85 (CP300) Product: SIPROTEC 5 7KE85 (CP300) Product: SIPROTEC 5 7SA86 (CP300) Product: SIPROTEC 5 7SA87 (CP300) Product: SIPROTEC 5 7SD86 (CP300) Product: SIPROTEC 5 7SD87 (CP300) Product: SIPROTEC 5 7SJ85 (CP300) Product: SIPROTEC 5 7SJ86 (CP300) Product: SIPROTEC 5 7SK85 (CP300) Product: SIPROTEC 5 7SL86 (CP300) Product: SIPROTEC 5 7SL87 (CP300) Product: SIPROTEC 5 7SS85 (CP300) Product: SIPROTEC 5 7ST85 (CP300) Product: SIPROTEC 5 7ST86 (CP300) Product: SIPROTEC 5 7SX85 (CP300) Product: SIPROTEC 5 7UM85 (CP300) Product: SIPROTEC 5 7UT85 (CP300) Product: SIPROTEC 5 7UT86 (CP300) Product: SIPROTEC 5 7UT87 (CP300) Product: SIPROTEC 5 7VE85 (CP300) Product: SIPROTEC 5 7VK87 (CP300) Product: SIPROTEC 5 Communication Module ETH-BA-2EL (Rev.1) Product: SIPROTEC 5 Communication Module ETH-BB-2FO (Rev. 1) Product: SIPROTEC 5 Communication Module ETH-BD-2FO Product: SIPROTEC 5 Compact 7SX800 (CP050)

Summary

The RADIUS client implementation of the VxWorks platform in SIPROTEC 5 devices contains a denial of service vulnerability that could be triggered when a specially crafted packet is sent by a RADIUS server.

Siemens has released new versions for the affected products and recommends to update to the latest versions.

Vulnerabilities 1

  • High 7.5
    CVE-2022-38767

    An issue was discovered in Wind River VxWorks 6.9 and 7, that allows a specifically crafted packet sent by a Radius ser…

Revision history

  1. #2

    Added fix for SIPROTEC 5 6MD89 (CP300)

  2. #1

    Publication Date

References