CVE-2023-47565

HIGH KEV

QVR Firmware 4.0.0-4.x - Authenticated OS Command Injection

Title source: llm

Exploitation Summary

CVE-2023-47565 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added December 21, 2023.

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

References (2)

Core 2

Core References

Vendor Advisory

https://www.qnap.com/en/security-advisory/qsa-23-48

US Government Resource

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-47565

Scores

CVSS v3 8.0

EPSS 0.8675

EPSS Percentile 99.4%

Attack Vector ADJACENT_NETWORK

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

CISA SSVC

Vulnrichment

Exploitation active

Automatable no

Technical Impact total

Details

CISA KEV 2023-12-21

VulnCheck KEV 2023-12-14

InTheWild.io 2023-12-16

ENISA EUVD EUVD-2023-51676

CWE

CWE-78

Status published

Products (1)

qnap/qvr_firmware 4.0.0 - 5.0.0

Published Dec 08, 2023

KEV Added Dec 21, 2023

Tracked Since Feb 18, 2026