What is CVE-2025-27494?

CVE-2025-27494 is a critical-severity vulnerability in Siemens Sipass Integrated Ac5102 (Acc-G2), classified under Improper Input Validation. CVSS score: 9.1/10. Published 2025-03-11.

How severe is CVE-2025-27494?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Is CVE-2025-27494 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Improper input validation in Siemens Sipass Integrated Ac5102 (Acc-G2)

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 < 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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.005 (37.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

productcert@siemens.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-27494?: CVE-2025-27494 is a critical-severity vulnerability in Siemens Sipass Integrated Ac5102 (Acc-G2), classified under Improper Input Validation. CVSS score: 9.1/10. Published 2025-03-11.
How severe is CVE-2025-27494?: Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2025-27494 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.