CVE-2023-47565 - CVE House
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Status published High CVE-2023-47565

Legacy VioStor NVR

Vulnerability 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

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Chad Seaman and Larry Cashdollar of Akamai Technologies reported this vulnerability to CISA

Affected Vendor

QNAP Systems Inc.

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Affected Software

VioStor NVR
Vulnerable Versions:
4.x

Timeline

Official Publish: December 8th, 2023
Last Modified: October 21st, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)