What’s Vulnerable › Vulnerabilities

CVE-2023-45028: QTS, QuTS hero, QuTScloud

• Severity: medium (CVSS 4.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-02-02 · updated 2026-06-17
• Weakness: CWE-400

Description

An uncontrolled resource consumption vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to launch a denial-of-service (DoS) attack via a network. We have already fixed the vulnerability in the following versions: QTS 5.1.5.2645 build 20240116 and later QuTS hero h5.1.5.2647 build 20240118 and later QuTScloud c5.1.5.2651 and later

Affected products

• QNAP QTS: 5.1.0.2348-build_20230325, 5.1.0.2399-build_20230515, 5.1.0.2418-build_20230603, 5.1.0.2444-build_20230629, 5.1.0.2466-build_20230721, 5.1.1.2491-build_20230815 (+4)
• QNAP Systems Inc. QuTS hero: h5.1.0.2409-build_20230525, h5.1.0.2424-build_20230609, h5.1.0.2453-build_20230708, h5.1.0.2466-build_20230721, h5.1.1.2488-build_20230812, h5.1.2.2534-build_20230927 (+3)
• QNAP Systems Inc. QuTScloud: c5.1.0.2498-build_20230822

References

• https://www.qnap.com/en/security-advisory/qsa-24-02
• https://www.qnap.com/en/security-advisory/qsa-24-02

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