ICSA-25-345-04: Siemens IAM Client
CISA advisory · released 2025-12-09
Source record Collected from CISA's CSAF advisory feed
- Distribution label in the document: TLP:WHITE
- Revision 4, 2026-03-12 (final)
CISA's summary
Summary: Multiple Siemens products are affected by improper certificate validation in IAM Client. This could allow an unauthenticated remote attacker to perform man in the middle attacks. 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 | COMOS V10.6 | vers:intdot/<10.6.1 |
| Siemens | NX V2412 | vers:intdot/<2412.8700 |
| Siemens | NX V2506 | vers:intdot/<2506.6000 |
| Siemens | Simcenter 3D | vers:intdot/<2506.6000 |
| Siemens | Simcenter Femap | vers:intdot/<2506.0002 |
| Siemens | Solid Edge SE2025 | <V225.0_Update_10 |
| Siemens | Solid Edge SE2026 | <V226.0_Update_1 |
DeSpy has not checked any unit, hardware revision or firmware.
Vulnerabilities in this advisory
- CVE-2025-40800 — CVE-2025-40800 · CWE-295
The IAM client in affected products is missing server certificate validation while establishing TLS connections to the authorization server. This could allow an attacker to perform a man-in-the-middle attack.
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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