CVE-2023-47565 : What You Need to Know

A detailed analysis of the OS command injection vulnerability affecting legacy QNAP VioStor NVR models running QVR Firmware 4.x, its impact, and mitigation steps.

Understanding CVE-2023-47565

This section explains the vulnerability, impact, affected systems, and exploitation details.

What is CVE-2023-47565?

An OS command injection vulnerability in legacy QNAP VioStor NVR models running QVR Firmware 4.x allows authenticated users to execute commands via the network.

The Impact of CVE-2023-47565

The vulnerability, if exploited, can result in the execution of arbitrary commands by authenticated users, posing a severe risk to confidentiality, integrity, and system availability.

Technical Details of CVE-2023-47565

This section delves into the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability allows authenticated users to execute arbitrary commands on legacy QNAP VioStor NVR models running QVR Firmware 4.x, potentially leading to unauthorized access or data leakage.

Affected Systems and Versions

Legacy QNAP VioStor NVR models with QVR Firmware version 4.x are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted commands through the network, leveraging the OS command injection flaw.

Mitigation and Prevention

This section outlines the immediate steps to take and long-term security practices to enhance system defense.

Immediate Steps to Take

Users should update to QVR Firmware 5.0.0 or later to address the vulnerability and prevent potential exploitation.

Long-Term Security Practices

Regularly update firmware, restrict network access to authorized personnel, and conduct security audits to identify and mitigate security risks.

Patching and Updates

Install patches and updates provided by QNAP to ensure the protection of QVR Firmware against known vulnerabilities.