CVE-2021-31338: Siemens Sinema Remote Connect

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

A vulnerability has been identified in SINEMA Remote Connect Client (All versions < V3.0 SP1). Affected devices allow to modify configuration settings over an unauthenticated channel. This could allow a local attacker to escalate privileges and execute own code on the device.

Affected products

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

Published 2021-08-19. Last modified 2026-06-17.