Learn about CVE-2021-35637, a vulnerability in Oracle's MySQL Server, allowing high privileged attackers to cause a denial of service. Understand the impact, affected systems, and mitigation strategies.
This CVE-2021-35637 involves a vulnerability in Oracle's MySQL Server, specifically in the Server: PS component. Attackers with network access can exploit this flaw in versions 8.0.26 and earlier, potentially leading to a denial of service (DOS) situation.
Understanding CVE-2021-35637
This section will delve deeper into the nature and consequences of the CVE-2021-35637 vulnerability.
What is CVE-2021-35637?
The vulnerability in the MySQL Server allows high privileged attackers with network access to compromise the server. It can result in unauthorized actions, including causing a hang or crash of the MySQL Server, leading to a complete DOS condition.
The Impact of CVE-2021-35637
Successful exploitation poses a significant threat to the availability of the MySQL Server. With a CVSS 3.1 Base Score of 4.9, the availability impact is rated as high.
Technical Details of CVE-2021-35637
In this section, we will explore the technical aspects of the CVE-2021-35637 vulnerability.
Vulnerability Description
The easily exploitable vulnerability in MySQL Server affects versions 8.0.26 and prior. Attackers with network access can compromise the server, leading to a DOS condition.
Affected Systems and Versions
The vulnerability impacts Oracle's MySQL Server versions 8.0.26 and earlier.
Exploitation Mechanism
An attacker with network access can exploit this vulnerability to compromise the MySQL Server.
Mitigation and Prevention
To mitigate the risks associated with CVE-2021-35637, immediate actions and long-term security practices are essential.
Immediate Steps to Take
Organizations should apply relevant patches and security updates provided by Oracle to address the vulnerability promptly.
Long-Term Security Practices
Implementing network security measures, access controls, and monitoring mechanisms can help prevent unauthorized access and exploitation of vulnerabilities.
Patching and Updates
Regularly updating MySQL Server to the latest versions and staying informed about security advisories from Oracle are crucial steps in maintaining a secure environment.