CVE-2023-47565NVD

Vulnerability 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

Severity Level

HIGH(8.0)

Published Date

Dec 8, 2023

Last Modified

Oct 21, 2025

Exploitation Status

ACTIVE

EPSS Score (30-Day)

Data Pending

Root Weakness (CWE)

CWE-78: OS Command Injection ↗

The software constructs all or part of an OS command using externally-influenced input, but does not properly neutralize special elements.

CVSS v3.1 Base Metrics — Score 8.0 (HIGH)

Attack VectorAdjacent

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

Affected & Patched Versions

Affected Versions

QNAP Systems Inc. VioStor NVR >= 4.x and < 5.0.0

Patched Versions

QNAP Systems Inc. VioStor NVR 5.0.0

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