CVE-2021-2402 : Vulnerability Insights and Analysis

This CVE-2021-2402 relates to a vulnerability found in the MySQL Server product of Oracle MySQL, specifically in the locking component. The affected versions are 8.0.25 and earlier. This vulnerability allows a high-privileged attacker with network access through multiple protocols to compromise the MySQL Server, potentially leading to denial of service (DOS) attacks.

Understanding CVE-2021-2402

This section delves into the specifics of the CVE-2021-2402 vulnerability.

What is CVE-2021-2402?

The vulnerability in MySQL Server allows a high-privileged attacker with network access to compromise the server, potentially resulting in DOS attacks.

The Impact of CVE-2021-2402

Successful exploitation of this vulnerability could lead to a hang or crash of the MySQL Server, granting unauthorized access to disrupt its availability.

Technical Details of CVE-2021-2402

Below are the technical aspects of CVE-2021-2402.

Vulnerability Description

The vulnerability enables an attacker with network access to compromise MySQL Server, allowing actions that may lead to DOS incidents.

Affected Systems and Versions

Affected versions include MySQL Server 8.0.25 and earlier.

Exploitation Mechanism

The vulnerability can be exploited by a high-privileged attacker with network access via various protocols.

Mitigation and Prevention

Learn about the necessary actions to mitigate the risks posed by CVE-2021-2402.

Immediate Steps to Take

Implement immediate measures to secure your MySQL Server, such as network segmentation or access restrictions.

Long-Term Security Practices

Incorporate long-term security practices, including regular security assessments and timely software updates.

Patching and Updates

Ensure timely application of patches and updates provided by Oracle to address the CVE-2021-2402 vulnerability.