CVE-2020-25228: Siemens Logo! 8 Bm Firmware

Critical severity, CVSS 9.8. EPSS: 1.6% chance of exploitation in the next 30 days.

A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3). A service available on port 10005/tcp of the affected devices could allow complete access to all services without authorization. An attacker could gain full control over an affected device, if he has access to this service. The system manual recommends to protect access to this port.

Affected products

• Siemens Logo! 8 Bm Firmware: before 8.3 (fixed in 8.3)

Published 2020-12-14. Last modified 2026-06-17.