ICSA-23-080-04: Siemens RADIUS Client of SIPROTEC 5 Devices
CISA advisory · released 2023-03-14
Source record Collected from CISA's CSAF advisory feed
- Distribution label in the document: TLP:WHITE
- Revision 3, 2026-04-16 (final)
CISA's summary
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.
Products, as the advisory lists them
| Vendor | Product | Version |
|---|---|---|
| Siemens | SIPROTEC 5 6MD85 (CP300) | vers:intdot/>=7.80|<9.30 |
| Siemens | SIPROTEC 5 6MD86 (CP300) | vers:intdot/>=7.80|<9.30 |
| Siemens | SIPROTEC 5 6MD89 (CP300) | vers:intdot/>=7.80|<9.64 |
| Siemens | SIPROTEC 5 6MU85 (CP300) | vers:intdot/>=7.90|<9.30 |
| Siemens | SIPROTEC 5 7KE85 (CP300) | vers:intdot/>=7.80|<9.30 |
| Siemens | SIPROTEC 5 7SA86 (CP300) | vers:intdot/>=7.80|<9.30 |
| Siemens | SIPROTEC 5 7SA87 (CP300) | vers:intdot/>=7.80|<9.30 |
| Siemens | SIPROTEC 5 7SD86 (CP300) | vers:intdot/>=7.80|<9.30 |
| Siemens | SIPROTEC 5 7SD87 (CP300) | vers:intdot/>=7.80|<9.30 |
| Siemens | SIPROTEC 5 7SJ85 (CP300) | vers:intdot/>=7.80|<9.30 |
| Siemens | SIPROTEC 5 7SJ86 (CP300) | vers:intdot/>=7.80|<9.30 |
| Siemens | SIPROTEC 5 7SK85 (CP300) | vers:intdot/>=7.80|<9.30 |
| Siemens | SIPROTEC 5 7SL86 (CP300) | vers:intdot/>=7.80|<9.30 |
| Siemens | SIPROTEC 5 7SL87 (CP300) | vers:intdot/>=7.80|<9.30 |
| Siemens | SIPROTEC 5 7SS85 (CP300) | vers:intdot/>=7.80|<9.30 |
| Siemens | SIPROTEC 5 7ST85 (CP300) | vers:intdot/>=8.81|<9.30 |
| Siemens | SIPROTEC 5 7ST86 (CP300) | vers:intdot/>=9.20|<9.30 |
| Siemens | SIPROTEC 5 7SX85 (CP300) | vers:intdot/>=8.30|<9.30 |
| Siemens | SIPROTEC 5 7UM85 (CP300) | vers:intdot/>=7.80|<9.30 |
| Siemens | SIPROTEC 5 7UT85 (CP300) | vers:intdot/>=7.80|<9.30 |
| Siemens | SIPROTEC 5 7UT86 (CP300) | vers:intdot/>=7.80|<9.30 |
| Siemens | SIPROTEC 5 7UT87 (CP300) | vers:intdot/>=7.80|<9.30 |
| Siemens | SIPROTEC 5 7VE85 (CP300) | vers:intdot/>=7.80|<9.30 |
| Siemens | SIPROTEC 5 7VK87 (CP300) | vers:intdot/>=7.80|<9.30 |
| Siemens | SIPROTEC 5 Communication Module ETH-BA-2EL (Rev.1) | vers:intdot/>=7.80|<9.30 |
| Siemens | SIPROTEC 5 Communication Module ETH-BB-2FO (Rev. 1) | vers:intdot/>=7.80|<9.30 |
| Siemens | SIPROTEC 5 Communication Module ETH-BD-2FO | vers:intdot/>=7.80|<9.30 |
| Siemens | SIPROTEC 5 Compact 7SX800 (CP050) | vers:intdot/>=8.70|<9.30 |
DeSpy has not checked any unit, hardware revision or firmware.
Vulnerabilities in this advisory
- CVE-2022-38767 — CVE-2022-38767 · CWE-835
An issue was discovered in Wind River VxWorks 6.9 and 7, that allows a specifically crafted packet sent by a Radius server, may cause Denial of Service during the IP Radius access procedure.
Acknowledgments, as the advisory lists them
- Siemens ProductCERT: reported this vulnerability to CISA.
The advisory's legal notice
The use of Siemens Security Advisories is subject to the terms and conditions listed on: https://www.siemens.com/productcert/terms-of-use.
Sources
DeSpy's copy of this version is dated 2026-09-28.
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