CVE-2024-21899

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

An improper authentication vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow users to compromise the security of the system via a network.

We have already fixed the vulnerability in the following versions: QTS 5.1.3.2578 build 20231110 and later QTS 4.5.4.2627 build 20231225 and later QuTS hero h5.1.3.2578 build 20231110 and later QuTS hero h4.5.4.2626 build 20231225 and later QuTScloud c5.1.5.2651 and later

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-287

Affected software

VendorProductVersions
QNAP Systems Inc.QTS>= 5.1.x, < 5.1.3.2578 build 20231110; >= 4.5.x, < 4.5.4.2627 build 20231225
QNAP Systems Inc.QuTS hero>= h5.1.x, < h5.1.3.2578 build 20231110; >= h4.5.x, < h4.5.4.2626 build 20231225
QNAP Systems Inc.QuTScloud>= c5.x.x, < c5.1.5.2651
qnapqts>= 5.1.0, < 5.1.3.2578 build 20231110
qnapqts>= 4.5.0, < 4.5.4.2627 build 20231225
qnapquts_hero>= h5.1.0, < h5.1.3.2578 build 20231110
qnapquts_hero>= h4.5.0, < h4.5.4.2626 build 20231225
qnapqutscloud>= c5.0.0, < c5.1.5.2651

References

Timeline

Published
Mar 8, 2024
Last modified
Jun 17, 2026
NVD status
Modified

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