CVE-2023-23362: QTS, QuTS hero, QuTScloud

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-09-22 · updated 2026-06-17
Weakness: CWE-78

Description

An OS command injection vulnerability has been reported to affect QNAP operating systems. If exploited, the vulnerability allows remote authenticated users to execute commands via susceptible QNAP devices. We have already fixed the vulnerability in the following versions: QTS 5.0.1.2376 build 20230421 and later QTS 4.5.4.2374 build 20230416 and later QuTS hero h5.0.1.2376 build 20230421 and later QuTS hero h4.5.4.2374 build 20230417 and later QuTScloud c5.0.1.2374 and later

Affected products

QNAP QTS: from 4.5.4 before 4.5.4.2374; from 5.0.1 before 5.0.1.2376 — fixed in 4.5.4.2374, 5.0.1.2376
QNAP Systems Inc. QuTS hero: from h4.5.4 before h4.5.4.2374; from h5.0.1 before h5.0.1.2376 — fixed in h4.5.4.2374, h5.0.1.2376
QNAP Systems Inc. QuTScloud: from c5.0.1 through c5.0.1.2374

How to fix

Upgrade to a fixed version: QNAP QTS 4.5.4.2374, 5.0.1.2376; QNAP Systems Inc. QuTS hero h4.5.4.2374, h5.0.1.2376. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2023-23362 or the next vulnerability affects your stack