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Critical severity9.8NVD Advisory· Published Mar 8, 2024· Updated Jun 17, 2026

CVE-2024-21899

CVE-2024-21899

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

13
  • Qnap/Qts4 versions
    cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*+ 3 more
    • cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*range: <4.5.4.2627
    • cpe:2.3:o:qnap:qts:4.5.4.2627:-:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:5.1.3.2578:-:*:*:*:*:*:*
    • (no CPE)range: before 5.1.3.2578 build 20231110, before 4.5.4.2627 build 20231225
  • Qnap/Quts Hero4 versions
    cpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*+ 3 more
    • cpe:2.3:o:qnap:quts_hero:*:*:*:*:*:*:*:*range: <h4.5.4.2626
    • cpe:2.3:o:qnap:quts_hero:h4.5.4.2626:-:*:*:*:*:*:*
    • cpe:2.3:o:qnap:quts_hero:h5.1.3.2578:-:*:*:*:*:*:*
    • (no CPE)range: before h5.1.3.2578 build 20231110, before h4.5.4.2626 build 20231225
  • Qnap/QuTScloud2 versions
    cpe:2.3:o:qnap:qutscloud:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:qnap:qutscloud:*:*:*:*:*:*:*:*range: <c5.1.5.2651
    • (no CPE)range: before c5.1.5.2651
  • QNAP Systems Inc./QTScpe-rescue
    Range: 5.1.x
  • QNAP Systems Inc./QuTS herocpe-rescue
    Range: h5.1.x
  • QNAP Systems Inc./QuTScloudcpe-rescue
    Range: c5.x.x

Patches

Vulnerability mechanics

References

1

News mentions

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