Vulnerability · Published Dec 9, 2025 · Assigned by siemens
CVE-2025-40801
High 8.1
In plain English
A high-severity improper certificate validation in COMOS V10.6 from Siemens. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities).
Official description
A vulnerability has been identified in COMOS V10.6 (All versions < V10.6.1), COMOS V10.6 (All versions < V10.6.1), JT Bi-Directional Translator for STEP (All versions), NX V2412 (All versions < V2412.8900 with Cloud Entitlement (bundled as NX X)), NX V2506 (All versions < V2506.6000 with Cloud Entitlement (bundled as NX X)), Simcenter 3D (All versions < V2506.6000 with Cloud Entitlement (bundled as Simcenter X Mechanical)), Simcenter Femap (All versions < V2506.0002 with Cloud Entitlement (bundled as Simcenter X Mechanical)), Simcenter Studio (All versions < V2506.0001), Simcenter System Architect (All versions < V2506.0001), Tecnomatix Plant Simulation (All versions < V2504.0007). 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Siemens | COMOS V10.6 | 0 – before V10.6.1 |
| Siemens | COMOS V10.6 | 0 – before V10.6.1 |
| Siemens | JT Bi-Directional Translator for STEP | 0 – before * |
| Siemens | NX V2412 | 0 – before V2412.8900 |
| Siemens | NX V2506 | 0 – before V2506.6000 |
| Siemens | Simcenter 3D | 0 – before V2506.6000 |
| Siemens | Simcenter Femap | 0 – before V2506.0002 |
| Siemens | Simcenter Studio | 0 – before V2506.0001 |
| Siemens | Simcenter System Architect | 0 – before V2506.0001 |
| Siemens | Tecnomatix Plant Simulation | 0 – before V2504.0007 |
Weakness: CWE-295 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H