CVE-2021-3451 Explained : Impact and Mitigation
Learn about CVE-2021-3451, a denial of service vulnerability in Lenovo PCManager allowing configuration files to be written to non-standard locations. Take immediate steps to update and secure your system.
A denial of service vulnerability was reported in Lenovo PCManager, allowing configuration files to be written to non-standard locations in versions prior to 3.0.400.3252.
Understanding CVE-2021-3451
This CVE identifies a denial of service vulnerability in Lenovo PCManager, affecting versions prior to 3.0.400.3252.
What is CVE-2021-3451?
The CVE-2021-3451 refers to a denial of service vulnerability in Lenovo PCManager that could enable threat actors to write configuration files to non-standard locations. This issue was reported by She ZhenHua.
The Impact of CVE-2021-3451
The impact of this vulnerability is rated as MEDIUM with a CVSS base score of 5.5, affecting confidentiality, integrity, and availability.
Technical Details of CVE-2021-3451
Below are the technical details related to CVE-2021-3451:
Vulnerability Description
The vulnerability allows for the writing of configuration files to non-standard locations by attackers.
Affected Systems and Versions
Lenovo PCManager versions prior to 3.0.400.3252 are affected by this vulnerability.
Exploitation Mechanism
The vulnerability can be exploited locally with low privileges and no user interaction required.
Mitigation and Prevention
To address CVE-2021-3451, consider the following steps:
Immediate Steps to Take
Update Lenovo PCManager to version 3.0.400.3252 or later to mitigate the vulnerability.
Long-Term Security Practices
Regularly update software and implement security best practices to prevent similar vulnerabilities.
Patching and Updates
Stay informed about security advisories from Lenovo and apply patches promptly to protect your system.