CVE-2021-35645 : What You Need to Know

This CVE-2021-35645 article provides insights into a vulnerability found in Oracle MySQL Server.

Understanding CVE-2021-35645

This section delves into the details of the CVE-2021-35645 vulnerability present in MySQL Server.

What is CVE-2021-35645?

The vulnerability occurs in the Oracle MySQL Server (component: Server: Optimizer) in versions 8.0.26 and earlier. Attackers with network access can compromise the server, leading to potential denial-of-service (DOS) attacks.

The Impact of CVE-2021-35645

The exploit allows high-privileged attackers to disrupt MySQL Server, potentially causing repeated crashes or hangs. The CVSS Base Score of 4.9 highlights the severity (Availability impacts).

Technical Details of CVE-2021-35645

This section focuses on the technical aspects of CVE-2021-35645.

Vulnerability Description

The vulnerability in MySQL Server allows attackers to compromise the server, facilitating DOS attacks.

Affected Systems and Versions

The versions impacted by this vulnerability are MySQL Server 8.0.26 and prior.

Exploitation Mechanism

Attackers with network access can exploit this vulnerability to compromise MySQL Server.

Mitigation and Prevention

This section discusses mitigation strategies to address CVE-2021-35645.

Immediate Steps to Take

Users are advised to apply patches and security updates provided by Oracle to mitigate the vulnerability.

Long-Term Security Practices

Enforcing network security measures, restricting network access, and monitoring for suspicious activities can enhance overall security.

Patching and Updates

Regularly updating MySQL Server to the latest version is crucial to prevent exploitation of known vulnerabilities.