CVE-2021-35641 Explained : Impact and Mitigation

A vulnerability has been discovered in the MySQL Server product of Oracle MySQL. This CVE affects versions 8.0.26 and prior, allowing a high privileged attacker with network access to compromise the server. Here's all you need to know about CVE-2021-35641.

Understanding CVE-2021-35641

This section provides insights into the nature of the CVE.

What is CVE-2021-35641?

The vulnerability in the MySQL Server product of Oracle MySQL allows attackers with network access to compromise the server. The affected versions are 8.0.26 and earlier.

The Impact of CVE-2021-35641

Successful exploitation of this vulnerability by a high privileged attacker can lead to unauthorized actions causing the server to hang or crash, resulting in a denial of service (DOS) condition. The CVSS 3.1 Base Score is 4.9, with availability impacts.

Technical Details of CVE-2021-35641

Explore the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability in the MySQL Server optimizer component enables attackers to compromise the server, potentially leading to a complete DOS condition.

Affected Systems and Versions

The vulnerability affects MySQL Server versions 8.0.26 and prior.

Exploitation Mechanism

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

Mitigation and Prevention

Discover the steps to mitigate and prevent exploitation of CVE-2021-35641.

Immediate Steps to Take

To address this vulnerability, users should apply security updates provided by Oracle for MySQL Server.

Long-Term Security Practices

Besides patching, it's crucial to implement robust network security measures to prevent unauthorized access.

Patching and Updates

Regularly monitor for security advisories and apply patches promptly to secure MySQL Server.