CVE-2021-2038 : Security Advisory and Response

MySQL Server, a product of Oracle Corporation, is affected by a vulnerability that allows a high privileged attacker to compromise the server. This vulnerability, with a CVSS score of 4.4, can result in a complete denial of service (DOS) attack.

Understanding CVE-2021-2038

This section delves into the details of the CVE-2021-2038 vulnerability affecting MySQL Server.

What is CVE-2021-2038?

The vulnerability in MySQL Server (Server: Components Services) allows a high privileged attacker with network access to compromise the server. Successful exploitation can lead to a hang or repetitive crash of the server.

The Impact of CVE-2021-2038

The vulnerability poses a medium severity risk with a CVSS 3.1 Base Score of 4.4, mainly impacting the availability of the MySQL Server.

Technical Details of CVE-2021-2038

This section outlines the technical specifics of the CVE-2021-2038 vulnerability.

Vulnerability Description

The vulnerability in MySQL Server allows attackers with network access to cause a denial of service by hanging or crashing the server.

Affected Systems and Versions

MySQL Server versions 8.0.22 and prior are impacted by this vulnerability.

Exploitation Mechanism

Attackers with high privileges and network access can exploit this vulnerability via multiple protocols to compromise the MySQL Server.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2021-2038 and prevent potential attacks.

Immediate Steps to Take

Update MySQL Server to a non-vulnerable version and restrict network access to mitigate the risk.

Long-Term Security Practices

Regularly update MySQL Server and maintain secure network configurations to prevent unauthorized access.

Patching and Updates

Stay informed about security patches released by Oracle Corporation for MySQL Server to address CVE-2021-2038.