CVE-2021-37183: Siemens Sinema Remote Connect Server

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.0 SP2). The affected software allows sending send-to-sleep notifications to the managed devices. An unauthenticated attacker in the same network of the affected system can abuse these notifications to cause a Denial-of-Service condition in the managed devices.

Affected products

• Siemens Sinema Remote Connect Server: before 3.0 (fixed in 3.0); version 3.0 only

Published 2021-09-14. Last modified 2026-06-17.