CVE-2023-50358: QTS, QuTS hero, QuTScloud

Severity: medium (CVSS 5.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 13.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2024-02-13 · updated 2026-06-17
Weakness: CWE-78

Description

An OS command injection vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow users to execute commands via a network. We have already fixed the vulnerability in the following versions: QTS 5.1.5.2645 build 20240116 and later QTS 4.5.4.2627 build 20231225 and later QTS 4.3.6.2665 build 20240131 and later QTS 4.3.4.2675 build 20240131 and later QTS 4.3.3.2644 build 20240131 and later QTS 4.2.6 build 20240131 and later QuTS hero h5.1.5.2647 build 20240118 and later QuTS hero h4.5.4.2626 build 20231225 and later QuTScloud c5.1.5.2651 and later

Affected products

QNAP QTS: from 4.2.0 before 4.2.6; from 4.3.0 before 4.3.3.2644; from 4.3.4 before 4.3.4.2675; from 4.3.5 before 4.3.6.2665; from 4.5.1 before 4.5.4.2627; from 5.1.0 before 5.1.5.2645 — fixed in 4.2.6, 4.3.3.2644, 4.3.4.2675, 4.3.6.2665, 4.5.4.2627, 5.1.5.2645
QNAP Systems Inc. QuTS hero: from h4.5.0 before h4.5.4.2626; from h5.0.0 before h5.1.5.2647; h4.5.4.2626, h5.1.5.2647 — fixed in h4.5.4.2626, h5.1.5.2647
QNAP Systems Inc. QuTScloud: from c5.0.0.1919 before c5.1.5.2651 — fixed in c5.1.5.2651

How to fix

Upgrade to a fixed version: QNAP QTS 4.2.6, 4.3.3.2644, 4.3.4.2675, 4.3.6.2665; QNAP Systems Inc. QuTS hero h4.5.4.2626, h5.1.5.2647; QNAP Systems Inc. QuTScloud c5.1.5.2651. Check the vendor advisory for mitigations.

References

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