Learn about CVE-2021-2410, a vulnerability in MySQL Server versions 8.0.25 and prior, allowing high-privileged attackers to compromise the server and cause denial of service. Find mitigation steps here.
This article provides details about CVE-2021-2410, a vulnerability in MySQL Server affecting versions 8.0.25 and prior.
Understanding CVE-2021-2410
This section delves into the nature of the vulnerability and its impact.
What is CVE-2021-2410?
The vulnerability in MySQL Server allows a high-privileged attacker with network access to compromise the server, potentially leading to unauthorized crashes or hangs.
The Impact of CVE-2021-2410
The vulnerability's impact includes allowing attackers to cause a complete denial of service (DOS) on affected MySQL Servers.
Technical Details of CVE-2021-2410
This section explores the technical aspects of the vulnerability.
Vulnerability Description
The vulnerability, related to the Optimizer component, is easily exploitable via multiple protocols, enabling attackers to compromise MySQL Server.
Affected Systems and Versions
Oracle MySQL Server versions 8.0.25 and prior are affected by this vulnerability.
Exploitation Mechanism
Attackers with high privileges and network access can exploit the vulnerability to compromise MySQL Servers.
Mitigation and Prevention
This section discusses steps to mitigate the CVE-2021-2410 vulnerability.
Immediate Steps to Take
Users are advised to apply relevant patches and security updates provided by Oracle to address the vulnerability.
Long-Term Security Practices
Implementing strong access controls, network segmentation, and regular security updates can help prevent similar vulnerabilities.
Patching and Updates
Regularly monitor official sources like Oracle's security alerts for patch releases and apply them promptly.