CVE-2023-51367

8.8 highEPSS 0.4%

High (8.8) in qnap. EPSS 0.4% chance of exploitation in the next 30 days.

A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow users to execute code via a network. We have already fixed the vulnerability in the following versions: QTS 5.1.6.2722 build 20240402 and later QuTS hero h5.1.6.2734 build 20240414 and later

Severity

CVSS 3.1

8.8 high

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

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 33% of CVEs (scores of 2026-10-31)
CWEs: CWE-120, CWE-121
Published: 2024-09-06
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

qnap:qts
qnap:quts_hero

References

https://www.qnap.com/en/security-advisory/qsa-24-20

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