CVE-2022-3569: Synacor Zimbra Collaboration Suite

High severity, CVSS 7.8. EPSS: 0.7% chance of exploitation in the next 30 days.

Due to an issue with incorrect sudo permissions, Zimbra Collaboration Suite (ZCS) suffers from a local privilege escalation issue in versions 9.0.0 and prior, where the 'zimbra' user can effectively coerce postfix into running arbitrary commands as 'root'.

Affected products

• Synacor Zimbra Collaboration Suite: up to and including 9.0.0

Published 2022-10-17. Last modified 2026-06-17.