CVE-2023-23355
QNAP
- Published
- 29 March 2023
- Last modified
- 17 June 2026
- CVSS
- 7.2 v3.1
- Severity
- high
- EPSS
- 1.2% (67th pct)
- CISA KEV
- Not listed
- NVD status
- Modified
- Weaknesses
- CWE-77, CWE-78
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Description
An OS command injection vulnerability has been reported to affect QNAP operating systems. If exploited, the vulnerability possibly allows remote authenticated administrators to execute commands via unspecified vectors. QES is not affected. We have already fixed the vulnerability in the following versions: QTS 5.0.1.2346 build 20230322 and later QTS 4.5.4.2374 build 20230416 and later QuTS hero h5.0.1.2348 build 20230324 and later QuTS hero h4.5.4.2374 build 20230417 and later QuTScloud c5.0.1.2374 and later
Exploitation
Not listed in the CISA Known Exploited Vulnerabilities catalogue as of 2026.09.04. That is an absence of confirmed public exploitation, not evidence that exploitation has not occurred. EPSS models a 1.2% probability of exploitation activity in the next 30 days.
Affected products
| Product | Vendor | Type | Versions named |
|---|---|---|---|
| QVR | QNAP | Video management software | 5.1.6, < 5.0.0, < 5.1.5, < 5.1.6 +3 |
References
Vendor advisory and patch
- https://www.qnap.com/en/security-advisory/qsa-23-10
- https://www.qnap.com/en/security-advisory/qsa-23-10
Record assembled from NVD, CISA KEV 2026.09.04 and FIRST EPSS 2026-09-04. Affected products are those NVD's CPE configuration names that fall inside this site's scope; a CVE may affect products outside it.