CVE-2022-45912: Zimbra Collaboration

High severity, CVSS 7.2. EPSS: 1.2% chance of exploitation in the next 30 days.

An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15 and 9.0. Remote code execution can occur through ClientUploader by an authenticated admin user. An authenticated admin user can upload files through the ClientUploader utility, and traverse to any other directory for remote code execution.

Affected products

• Zimbra Collaboration: version 8.8.15 only; version 9.0.0 only

Published 2022-12-05. Last modified 2026-06-17.