CVE-2023-47565
QNAP · exploited in the wild
- Published
- 8 December 2023
- Last modified
- 17 June 2026
- CVSS
- 8.8 v3.1
- Severity
- high
- EPSS
- 73.3% (99th pct)
- CISA KEV
- Added 21 December 2023 KEV
- NVD status
- Analyzed
- Weaknesses
- CWE-78
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Description
An OS command injection vulnerability has been found to affect legacy QNAP VioStor NVR models running QVR Firmware 4.x. If exploited, the vulnerability could allow authenticated users to execute commands via a network. We have already fixed the vulnerability in the following versions: QVR Firmware 5.0.0 and later
Exploitation
Added to the CISA Known Exploited Vulnerabilities catalogue on 21 December 2023, with a remediation due date of 11 January 2024 for US federal civilian agencies. CISA records no known ransomware campaign use.
Required action as published by CISA: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
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-23-48
- https://www.qnap.com/en/security-advisory/qsa-23-48
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.