Siemens COMOS certificate validation

Summaryinfo

A vulnerability, which was classified as critical, was found in Siemens COMOS, JT Bi-Directional Translator for STEP, NX V2412, NX V2506, Simcenter 3D, Simcenter Femap, Simcenter Studio, Simcenter System Architect and Tecnomatix Plant Simulation. This affects an unknown part. The manipulation results in certificate validation. This vulnerability is identified as CVE-2025-40801. The attack can be executed remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Siemens COMOS, JT Bi-Directional Translator for STEP, NX V2412, NX V2506, Simcenter 3D, Simcenter Femap, Simcenter Studio, Simcenter System Architect and Tecnomatix Plant Simulation. Affected is some unknown functionality. The manipulation with an unknown input leads to a certificate validation vulnerability. CWE is classifying the issue as CWE-295. The product does not validate, or incorrectly validates, a certificate. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is available at cert-portal.siemens.com. This vulnerability is traded as CVE-2025-40801 since 04/16/2025. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 03/11/2026). This vulnerability is assigned to T1587.003 by the MITRE ATT&CK project.

Upgrading eliminates this vulnerability.

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Productinfo

Type

• SCADA Software

Vendor

• Siemens

Name

• COMOS
• JT Bi-Directional Translator for STEP
• NX V2412
• NX V2506
• Simcenter 3D
• Simcenter Femap
• Simcenter Studio
• Simcenter System Architect
• Tecnomatix Plant Simulation

License

• commercial

Website

• Vendor: https://www.siemens.com/

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Entryinfo

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