CVE-2023-45026: QTS, QuTS hero, QuTScloud

Severity: medium (CVSS 4.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% 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-22

Description

A path traversal vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to read the contents of unexpected files and expose sensitive data 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

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