CVE-2025-27494 Command injection in SiPass integrated AC5102 (ACC-G2)

Critical 9.4 Published Updated

Authenticated administrators can inject commands via the REST API to execute arbitrary code with root privileges on Siemens access control devices.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-27494?

CVE-2025-27494 is a critical command injection vulnerability in Siemens SiPass integrated AC5102 (ACC-G2), published on 11 Mar 2025. An attacker needs administrator access to exploit it, with no action from the victim.

Official 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.

Weakness: CWE-20

Which versions are affected by CVE-2025-27494?

It affects 2 products.

Products include Siemens Sipass Integrated Ac5102 \(Acc-G2\) Firmware, Siemens Sipass Integrated Acc-Ap Firmware.

How do I fix CVE-2025-27494?

No fix has been published for CVE-2025-27494 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2025-27494 being exploited?

There is no known exploitation of CVE-2025-27494 in the wild and no public exploit code.

Sources

Also known as GHSA-m2p6-m8pm-fvcc.

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