CVE-2022-27600: QNAP QTS

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

An uncontrolled resource consumption vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow remote attackers to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following versions: QTS 5.0.1.2277 and later QTS 4.5.4.2280 build 20230112 and later QuTS hero h5.0.1.2277 build 20230112 and later QuTS hero h4.5.4.2374 build 20230417 and later QuTScloud c5.0.1.2374 and later

Affected products

• QNAP QTS: from 4.5.1, before 4.5.4.2280 (fixed in 4.5.4.2280); from 5.0.0, before 5.0.1.2277 (fixed in 5.0.1.2277); version 4.5.4.2280 only; version 5.0.1.2277 only
• QNAP Quts Hero: from h4.5.1, before h4.5.4.2374 (fixed in h4.5.4.2374); from h5.0, before h5.0.1.2277 (fixed in h5.0.1.2277); version h4.5.4.2374 only; version h5.0.1.2277 only
• QNAP Qutscloud: from c5.0.1, before c5.0.1.2374 (fixed in c5.0.1.2374)

Published 2024-12-19. Last modified 2026-06-17.