CVE-2024-21900: QNAP QTS

Medium severity, CVSS 6.5. EPSS: 9.4% chance of exploitation in the next 30 days.

An injection vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated users to execute commands via a network. We have already fixed the vulnerability in the following versions: QTS 5.1.3.2578 build 20231110 and later QuTS hero h5.1.3.2578 build 20231110 and later QuTScloud c5.1.5.2651 and later

Affected products

• QNAP QTS: before 5.1.3.2578 (fixed in 5.1.3.2578); version 5.1.3.2578 only
• QNAP Quts Hero: before h5.1.3.2578 (fixed in h5.1.3.2578); version h5.1.3.2578 only
• QNAP Qutscloud: before c5.1.5.2651 (fixed in c5.1.5.2651)

Published 2024-03-08. Last modified 2026-06-17.