CVE-2025-40830: Siemens Sinec Security Monitor

Medium severity, CVSS 6.7. EPSS: 0.2% chance of exploitation in the next 30 days.

A vulnerability has been identified in SINEC Security Monitor (All versions < V4.10.0). The affected application does not have proper authorization checks for the file_transfer feature in ssmctl-client command. This could allow an authenticated, lowly privileged local attacker to read or write to any file on server or sensor.

Affected products

• Siemens Sinec Security Monitor: before 4.10.0 (fixed in 4.10.0)

Published 2025-12-09. Last modified 2026-10-07.