CVE-2022-27221: Siemens Sinema Remote Connect Server

Medium severity, CVSS 5.9. EPSS: 1% chance of exploitation in the next 30 days.

A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.1). An attacker in machine-in-the-middle could obtain plaintext secret values by observing length differences during a series of guesses in which a string in an HTTP request URL potentially matches an unknown string in an HTTP response body, aka a "BREACH" attack.

Affected products

• Siemens Sinema Remote Connect Server: before 3.1 (fixed in 3.1)

Published 2022-06-14. Last modified 2026-06-17.