CVE-2021-2002 : Vulnerability Insights and Analysis
Learn about CVE-2021-2002, a vulnerability in Oracle MySQL Server allowing attackers to compromise servers. Find impact details, affected versions, and mitigation steps here.
A vulnerability has been identified in Oracle MySQL Server, specifically in the Server Replication component. Attackers with network access can exploit this vulnerability in affected versions 8.0.22 and prior, potentially leading to denial of service attacks.
Understanding CVE-2021-2002
This section dives into the details of the CVE-2021-2002 vulnerability, its impacts, technical aspects, and mitigation strategies.
What is CVE-2021-2002?
The vulnerability lies in the MySQL Server product of Oracle MySQL. It is an easily exploitable vulnerability allowing high-privileged attackers with network access to compromise the MySQL Server, potentially resulting in denial of service attacks.
The Impact of CVE-2021-2002
Successful exploitation of this vulnerability can lead to unauthorized actions causing the MySQL Server to hang or crash, resulting in a complete denial of service. The CVSS 3.1 Base Score for this vulnerability is 4.9, with high availability impact.
Technical Details of CVE-2021-2002
Let's explore the technical details associated with CVE-2021-2002.
Vulnerability Description
The vulnerability allows high-privileged attackers with network access to compromise Oracle MySQL Server versions 8.0.22 and prior, potentially enabling denial of service attacks.
Affected Systems and Versions
The vulnerability affects Oracle MySQL Server versions 8.0.22 and prior, leaving them susceptible to exploitation by high-privileged attackers with network access.
Exploitation Mechanism
Attackers with network access can exploit this vulnerability, causing the MySQL Server to hang or crash, leading to denial of service.
Mitigation and Prevention
Discover the steps to mitigate the impact of CVE-2021-2002 and safeguard your systems.
Immediate Steps to Take
It is crucial to apply security patches and updates provided by Oracle to address this vulnerability promptly. Additionally, restricting network access to critical servers can help reduce the attack surface.
Long-Term Security Practices
Implementing strong access controls, regular security assessments, and monitoring network traffic can enhance the overall security posture of your MySQL Server installation.
Patching and Updates
Regularly check for security advisories from Oracle and apply updates and patches to address vulnerabilities like CVE-2021-2002.