ICSA-25-345-05: Siemens Advanced Licensing (SALT) Toolkit
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 Siemens Advanced Licensing (SALT) Toolkit. This could allow an unauthenticated remote attacker to perform man in the middle attacks. Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens recommends countermeasures for products where fixes are not, or not yet available.
Products, as the advisory lists them
| Vendor | Product | Version |
|---|---|---|
| Siemens | COMOS V10.6 | vers:intdot/<10.6.1 |
| Siemens | JT Bi-Directional Translator for STEP | vers:all/* |
| Siemens | NX V2412 | vers:intdot/<2412.8900 |
| Siemens | NX V2506 | vers:intdot/<2506.6000 |
| Siemens | Simcenter 3D | vers:intdot/<2506.6000 |
| Siemens | Simcenter Femap | vers:intdot/<2506.0002 |
| Siemens | Simcenter Studio | vers:intdot/<2506.0001 |
| Siemens | Simcenter System Architect | vers:intdot/<2506.0001 |
| Siemens | Tecnomatix Plant Simulation | vers:intdot/<2504.0007 |
DeSpy has not checked any unit, hardware revision or firmware.
Vulnerabilities in this advisory
- CVE-2025-40801 — CVE-2025-40801 · CWE-295
The SALT SDK 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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