CVE-2022-21486 Explained : Impact and Mitigation
Learn about CVE-2022-21486 affecting MySQL Cluster versions 7.4.35, 7.5.25, 7.6.21, and 8.0.28. Find out the impact, mitigation steps, and prevention practices for this vulnerability.
A detailed analysis of the vulnerability found in the MySQL Cluster product of Oracle MySQL, affecting multiple versions.
Understanding CVE-2022-20657
This section provides insights into the nature of the vulnerability and its potential impact.
What is CVE-2022-20657?
The vulnerability in the MySQL Cluster product of Oracle MySQL allows a high-privileged attacker to compromise the MySQL Cluster through the physical communication segment. The affected versions include 7.4.35 and prior, 7.5.25 and prior, 7.6.21 and prior, and 8.0.28 and prior.
The Impact of CVE-2022-20657
Successful exploitation of this vulnerability can lead to unauthorized read access to MySQL Cluster data and partial denial of service (partial DOS) of MySQL Cluster. The CVSS 3.1 Base Score is 2.9, indicating low confidentiality and availability impacts.
Technical Details of CVE-2022-20657
Explore the specific technical aspects of CVE-2022-20657 to understand how it operates.
Vulnerability Description
The vulnerability allows a high-privileged attacker access to the physical communication segment, potentially resulting in unauthorized data access and partial DOS attacks on MySQL Cluster.
Affected Systems and Versions
The vulnerability impacts MySQL Cluster versions 7.4.35 and prior, 7.5.25 and prior, 7.6.21 and prior, and 8.0.28 and prior.
Exploitation Mechanism
Successful attacks require human interaction from a person other than the attacker, emphasizing the need for additional security measures.
Mitigation and Prevention
Discover the steps you can take to mitigate the risk posed by CVE-2022-20657 and prevent potential exploitation.
Immediate Steps to Take
Enhance physical security around the hardware executing MySQL Cluster to limit unauthorized access.
Long-Term Security Practices
Implement user access controls and monitor network traffic to detect any suspicious activity.
Patching and Updates
Ensure timely patching of MySQL Cluster to address the vulnerability and strengthen security measures.