CVE-2021-2215 : What You Need to Know

A detailed overview of CVE-2021-2215, a vulnerability in the MySQL Server product of Oracle MySQL that affects versions 8.0.23 and prior.

Understanding CVE-2021-2215

This section provides insight into the impact, technical details, and mitigation strategies related to CVE-2021-2215.

What is CVE-2021-2215?

The vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Stored Procedure) allows a highly privileged attacker with network access to compromise the server. It can lead to unauthorized actions resulting in a denial of service (DOS) condition.

The Impact of CVE-2021-2215

Successful exploitation of this vulnerability can enable an attacker to cause a hang or repeatedly crash the MySQL Server, affecting its availability. The CVSS 3.1 Base Score is 4.9, indicating a medium severity vulnerability with high availability impact.

Technical Details of CVE-2021-2215

This section covers the vulnerability description, affected systems and versions, and exploitation mechanism of CVE-2021-2215.

Vulnerability Description

The flaw in MySQL Server allows high privileged attackers to compromise the server, leading to unauthorized disruption of service through hangs or crashes.

Affected Systems and Versions

CVE-2021-2215 impacts MySQL Server versions 8.0.23 and prior, leaving them vulnerable to exploitation via network access.

Exploitation Mechanism

Attackers with high privileges and network access can exploit the vulnerability, causing the MySQL Server to experience DOS conditions.

Mitigation and Prevention

This section outlines immediate steps to take, long-term security practices, and the importance of patching and updates for CVE-2021-2215.

Immediate Steps to Take

To mitigate the risk posed by CVE-2021-2215, it is crucial to apply security patches and implement access controls to limit the exposure of the MySQL Server.

Long-Term Security Practices

Maintaining up-to-date software versions, conducting regular security audits, and enhancing network security measures are essential for preventing future vulnerabilities.

Patching and Updates

Regularly check for security updates from Oracle Corporation and promptly apply patches to address known vulnerabilities and enhance system security.