CVE-2025-40818: Siemens Sinema Remote Connect Server

Low severity, CVSS 3.3. EPSS: 0.1% chance of exploitation in the next 30 days.

A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.2 SP4). Affected applications contain private SSL/TLS keys on the server that are not properly protected allowing any user with server access to read these keys. This could allow an authenticated attacker to impersonate the server potentially enabling man-in-the-middle, traffic decryption or unauthorized access to services that trust these certificates.

Affected products

  • Siemens Sinema Remote Connect Server: before 3.2 (fixed in 3.2); version 3.2 only

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