8.8

CVE-2023-47565

Warning

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

Data is provided by the National Vulnerability Database (NVD)
Qnap ≫ Qvr Firmware Version >= 4.0.0 < 5.0.0

21.12.2023: CISA Known Exploited Vulnerabilities (KEV) Catalog

QNAP VioStor NVR OS Command Injection Vulnerability

Vulnerability

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

Description

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Required actions
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 79.31% 0.99
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
security@qnapsecurity.com.tw 8 2.1 5.9
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.