CVEvulnerability

CVE-2023-47565

8.8 HIGH Known exploited Published 2023-12-08 Modified 2026-06-17 Official page ↗

CISA Known Exploited Vulnerability

QNAP VioStor NVR OS Command Injection Vulnerability — QNAP VioStor NVR

QNAP VioStar NVR contains an OS command injection vulnerability that allows authenticated users to execute commands via a network.

Added to KEV: 2023-12-21
Remediation due: 2024-01-11
Ransomware use: Unknown
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Notes: https://www.qnap.com/en/security-advisory/qsa-23-48 ; https://nvd.nist.gov/vuln/detail/CVE-2023-47565

Status: Analyzed
Published: 2023-12-08
Last modified: 2026-06-17
Assigner: [email protected]
CVSS 3.1 ([email protected]): 8.0 HIGH — CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 ([email protected]): 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses: CWE-78

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

Affected configurations

• qnap qvr firmware (>= 4.0.0 < 5.0.0)

Weakness · CWE (1)

CWE-78 Improper Neutralization of Special Elements used in an OS Command weakness

References