CVE-2021-3722 : Vulnerability Insights and Analysis

A denial of service vulnerability was reported in Lenovo PCManager prior to version 4.0.40.2175 that could allow configuration files to be written to non-standard locations during installation.

Understanding CVE-2021-3722

This CVE refers to a denial of service vulnerability in Lenovo PCManager that affects versions prior to 4.0.40.2175, allowing for unauthorized configuration file modifications.

What is CVE-2021-3722?

CVE-2021-3722 is a vulnerability in Lenovo PCManager that could lead to a denial of service by enabling the writing of configuration files to non-standard locations during the installation process.

The Impact of CVE-2021-3722

The impact of CVE-2021-3722 is moderate, with a CVSS base score of 5.0 and a base severity level of MEDIUM. While it requires low privileges to exploit, user interaction is necessary for successful attacks.

Technical Details of CVE-2021-3722

This section provides technical insights into the vulnerability.

Vulnerability Description

The vulnerability allows for the unauthorized writing of configuration files to non-standard locations during the installation of Lenovo PCManager versions prior to 4.0.40.2175.

Affected Systems and Versions

Lenovo PCManager versions earlier than 4.0.40.2175 are affected by this vulnerability, specifically custom versions.

Exploitation Mechanism

The vulnerability can be exploited locally with low attack complexity, requiring user interaction and low privileges.

Mitigation and Prevention

Learn how to mitigate and prevent exploitation of CVE-2021-3722.

Immediate Steps to Take

To address this vulnerability, update Lenovo PCManager to version 4.0.40.2175 or newer.

Long-Term Security Practices

Maintain up-to-date software versions and security best practices to prevent similar vulnerabilities.

Patching and Updates

Regularly check for security patches and updates from Lenovo to ensure system security.