CVE-2021-20297 : Vulnerability Insights and Analysis

A flaw was found in NetworkManager in versions before 1.30.0. Setting match.path and activating a profile crashes NetworkManager, posing a threat to system availability.

Understanding CVE-2021-20297

This section delves into the nature of the CVE-2021-20297 vulnerability.

What is CVE-2021-20297?

CVE-2021-20297 is a vulnerability in NetworkManager versions before 1.30.0 that can lead to system crashes when setting match.path and activating a profile.

The Impact of CVE-2021-20297

The primary impact of CVE-2021-20297 is on system availability, making it crucial for organizations to address this vulnerability promptly.

Technical Details of CVE-2021-20297

Explore the technical specifics of CVE-2021-20297 in this section.

Vulnerability Description

The flaw in NetworkManager allows malicious actors to crash the system by manipulating profile activation and file path matching.

Affected Systems and Versions

NetworkManager 1.30.0 and prior versions are affected by CVE-2021-20297, highlighting the importance of updating to secure versions.

Exploitation Mechanism

By setting match.path and activating a specific profile, threat actors can exploit this vulnerability to disrupt system availability.

Mitigation and Prevention

Discover essential steps to mitigate and prevent exploits related to CVE-2021-20297.

Immediate Steps to Take

System administrators should update NetworkManager to version 1.30.0 or above to mitigate the risk of crashes due to profile activation.

Long-Term Security Practices

Implementing network segmentation and access controls can enhance overall security posture and reduce the impact of similar vulnerabilities.

Patching and Updates

Regularly applying security patches and updates for NetworkManager is crucial to address known vulnerabilities and protect system integrity.