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 co…

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

EPSS: 0.005 (36.9th 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.