CVE-2023-47565

Legacy VioStor NVR

Published Dec 8, 2023 CVSS 3.1 · 8 High EPSS 73.3% KEV · Listed
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

Remediation

Vendor Solution

We have already fixed the vulnerability in the following versions: QVR Firmware 5.0.0 and later

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
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 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
Type Values Removed Values Added
Metrics epss

{'score': 0.80851}

epss

{'score': 0.79949}

Type Values Removed Values Added
Metrics kev

{'dateAdded': '2023-12-21'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
qnap
Published
Updated
Oct 21, 2025, 11:05 PM
Reserved
Nov 6, 2023, 2:11 PM
Status
Analyzed
Published
Dec 8, 2023, 4:15 PM
Modified
Jun 17, 2026, 6:32 AM