CVE DATABASE / CVE-2023-47565
CVE-2023-47565
QNAP VioStor NVR OS Command Injection Vulnerability
Confirmed exploited in the wild. Added 2023-12-21.
Federal remediation due 2024-01-11.
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Summary
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
CVSS 3.1 breakdown
| Base score | 8 (HIGH) |
| Vector | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Attack vector | ADJACENT_NETWORK |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Weakness type (CWE)
Affected products
Use our free CVE Lookup tool for the latest NVD record, or browse the full CISA KEV catalog.
References
- https://www.qnap.com/en/security-advisory/qsa-23-48
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-47565
Data: NIST NVD + CISA KEV. NVD last modified 2026-02-26. Always verify against the vendor advisory before acting.