CVE-2021-34358: QNAP Qmailagent

High severity, CVSS 8.8. EPSS: 0.4% chance of exploitation in the next 30 days.

We have already fixed this vulnerability in the following versions of QmailAgent: QmailAgent 3.0.2 ( 2021/08/25 ) and later

Affected products

• QNAP Qmailagent: before 3.0.2 (fixed in 3.0.2)

Published 2021-11-20. Last modified 2026-06-17.