CVE-2025-40801
highpriority · track · 0EPSS 0.003 · 17 %ileDEEUNLRUUSEPSS · scored 2026-10-24
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.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedCOMOS V10.6siemens_psirt
Update to V10.6.1 or later version
https://support.sw.siemens.com/product/222981661/ - FixedNX V2412siemens_psirt
Update to V2412.8900 or later version
https://support.sw.siemens.com/product/209349590/ - FixedNX V2506siemens_psirt
Update to V2506.6000 or later version
https://support.sw.siemens.com/product/209349590/ - FixedSimcenter 3Dsiemens_psirt
Update to V2506.6000 or later version
https://support.sw.siemens.com/product/289054037/ - FixedSimcenter Femapsiemens_psirt
Update to V2506.0002 or later version
https://support.sw.siemens.com/product/275652363/ - FixedSimcenter Studiosiemens_psirt
Update to V2506.0001 or later version
- FixedSimcenter System Architectsiemens_psirt
Update to V2506.0001 or later version
https://support.sw.siemens.com/product/273211926/ - FixedTecnomatix Plant Simulationsiemens_psirt
Update to V2504.0007 or later version
https://support.sw.siemens.com/product/297028302/ - FixedCOMOS V10.6cisa_csaf_ot
Update to V10.6.1 or later version
https://support.sw.siemens.com/product/222981661/ - FixedNX V2412cisa_csaf_ot
Update to V2412.8900 or later version
https://support.sw.siemens.com/product/209349590/ - FixedNX V2506cisa_csaf_ot
Update to V2506.6000 or later version
https://support.sw.siemens.com/product/209349590/ - FixedSimcenter 3Dcisa_csaf_ot
Update to V2506.6000 or later version
https://support.sw.siemens.com/product/289054037/ - FixedSimcenter Femapcisa_csaf_ot
Update to V2506.0002 or later version
https://support.sw.siemens.com/product/275652363/ - FixedSimcenter Studiocisa_csaf_ot
Update to V2506.0001 or later version
- FixedSimcenter System Architectcisa_csaf_ot
Update to V2506.0001 or later version
https://support.sw.siemens.com/product/273211926/ - FixedTecnomatix Plant Simulationcisa_csaf_ot
Update to V2504.0007 or later version
https://support.sw.siemens.com/product/297028302/ - No fix plannedJT Bi-Directional Translator for STEPsiemens_psirt
Currently no fix is planned
- No fix plannedJT Bi-Directional Translator for STEPcisa_csaf_ot
Currently no fix is planned
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.2–9.2
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (73)
Products and version ranges known to be affected.
advisories (5)
Vendor and ecosystem advisories describing this.
- NCSC-2025-0382Kwetsbaarheden verholpen in Siemens productenNL2025-12-09csaf · ncsc_nlNL
Siemens heeft kwetsbaarheden verholpen in diverse producten als Building X, COMOS, Energy Services, Gridscale X, NX, RUGGEDCOM, SICAM, SIMATIC, SINEC, SINEMA, SIPLUS en Solid Edge.
- SSA-212953SSA-212953: Multiple Vulnerabilities in COMOS2025-12-09csaf · siemens_psirtDE
COMOS is affected by multiple vulnerabilities that could allow an attacker to execute arbitrary code or cause denial of service condition, data infiltration or perform access control violations. Siemens has released new versions for the affected products and recommends to update to the latest versions.
- SSA-710408SSA-710408: Missing Server Certificate Validation in Siemens Advanced Licensing (SALT) Toolkit2025-12-09csaf · siemens_psirtDE
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.
- ICSA-25-345-05Siemens Advanced Licensing (SALT) Toolkit2025-12-09icsa · cisa_csaf_otUS
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.
- ICSA-26-043-03Siemens COMOS2025-12-09icsa · cisa_csaf_otUS
COMOS is affected by multiple vulnerabilities that could allow an attacker to execute arbitrary code or cause denial of service condition, data infiltration or perform access control violations. Siemens has released new versions for the affected products and recommends to update to the latest versions.
also known as (6)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2025-40801cnnvd
- https://cert-portal.siemens.com/productcert/html/ssa-212953.htmlcnnvd
- https://cert-portal.siemens.com/productcert/html/ssa-710408.htmlcnnvd
- https://cert-portal.siemens.com/productcert/html/ssa-212953.htmlenisa_euvd
- https://cert-portal.siemens.com/productcert/html/ssa-710408.htmlenisa_euvd
- https://cert-portal.siemens.com/productcert/html/ssa-212953.htmlnvd
- https://cert-portal.siemens.com/productcert/html/ssa-710408.htmlnvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan