CVE-2025-27494: Siemens Sipass Integrated AC5102 (acc-g2) Firmware

High severity, CVSS 7.2. EPSS: 0.5% chance of exploitation in the next 30 days.

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.

Affected products

• Siemens Sipass Integrated AC5102 (acc-g2) Firmware: before 6.4.9 (fixed in 6.4.9)
• Siemens Sipass Integrated Acc-Ap Firmware: before 6.4.9 (fixed in 6.4.9)

Published 2025-03-11. Last modified 2026-06-17.