CVE-2021-28812 : Vulnerability Insights and Analysis

A command injection vulnerability has been reported to affect certain versions of Video Station by QNAP Systems Inc. The vulnerability allows remote attackers to execute arbitrary commands.

Understanding CVE-2021-28812

This CVE refers to a command injection vulnerability in Video Station, impacting specific versions of the platform.

What is CVE-2021-28812?

CVE-2021-28812 is a command injection vulnerability in QNAP Systems Inc. Video Station versions prior to 5.5.4 on QTS 4.5.2, QuTS hero h4.5.2, and QuTScloud c4.5.4.

The Impact of CVE-2021-28812

This vulnerability can result in remote attackers executing arbitrary commands, posing a significant risk to affected systems.

Technical Details of CVE-2021-28812

This section provides specific technical details regarding the vulnerability.

Vulnerability Description

The vulnerability allows for command injection in affected Video Station versions.

Affected Systems and Versions

Affected: QTS 4.5.2, versions prior to 5.5.4; QuTS hero h4.5.2, versions prior to 5.5.4; QuTScloud c4.5.4, versions prior to 5.5.4.
Unaffected: QTS 4.3.6, version 5.3.x; QTS 4.3.3, version 5.1.x.

Exploitation Mechanism

This vulnerability requires network access to exploit, with a low attack complexity but high impact on confidentiality, integrity, and availability.

Mitigation and Prevention

Here are the necessary steps to mitigate and prevent exploitation of CVE-2021-28812.

Immediate Steps to Take

Users should update to the patched versions provided by QNAP Systems Inc.:

QTS 4.5.2: Video Station 5.5.4 and later
QuTS hero h4.5.2: Video Station 5.5.4 and later
QuTScloud c4.5.4: Video Station 5.5.4 and later

Long-Term Security Practices

Implement security best practices, including regular system updates and monitoring for vulnerabilities.

Patching and Updates

Regularly apply security patches and updates provided by QNAP Systems Inc.