CVE-2021-35546 Explained : Impact and Mitigation
Learn about CVE-2021-35546, a vulnerability in MySQL Server that allows attackers to compromise the server, potentially leading to a complete denial of service (DOS) attack. Find out how to mitigate the risk and protect your systems.
The CVE-2021-35546 is a vulnerability in the MySQL Server product of Oracle MySQL, specifically in the Server Replication component. This vulnerability affects versions 8.0.26 and prior, allowing a high-privileged attacker with network access to compromise the MySQL Server. Successful exploitation can result in a denial of service (DOS) attack on the server.
Understanding CVE-2021-35546
This section will cover what CVE-2021-35546 is, its impacts, technical details, and mitigation steps.
What is CVE-2021-35546?
The vulnerability in MySQL Server allows attackers with network access to compromise the server, potentially leading to a DOS attack. The affected versions are 8.0.26 and prior.
The Impact of CVE-2021-35546
Successful exploitation of this vulnerability can allow unauthorized users to cause the MySQL Server to hang or crash, resulting in a complete denial of service.
Technical Details of CVE-2021-35546
Let's delve deeper into the technical aspects of the CVE-2021-35546 vulnerability.
Vulnerability Description
The vulnerability in the MySQL Server product of Oracle MySQL, particularly in the Server Replication component, allows attackers to compromise the server, potentially causing a DOS attack.
Affected Systems and Versions
The vulnerability impacts MySQL Server versions 8.0.26 and prior.
Exploitation Mechanism
Attackers with network access can exploit this vulnerability to compromise the MySQL Server, leading to a DOS attack.
Mitigation and Prevention
To address CVE-2021-35546, immediate steps should be taken along with implementing long-term security practices and applying necessary patches and updates.
Immediate Steps to Take
It is crucial to assess and patch the vulnerability immediately to prevent potential DOS attacks.
Long-Term Security Practices
Implementing strong network security measures and regularly updating software can help in mitigating future vulnerabilities.
Patching and Updates
Oracle Corporation and other software vendors may release patches to address CVE-2021-35546. Regularly check for updates and ensure timely patching to secure systems.