CVE-2022-21485 : What You Need to Know

This article provides detailed information about CVE-2022-21485, a vulnerability in Oracle MySQL Cluster that could allow unauthorized access and partial denial of service.

Understanding CVE-2022-21485

CVE-2022-21485 is a vulnerability in the MySQL Cluster product of Oracle MySQL that impacts versions 7.4.35 and earlier, 7.5.25 and earlier, 7.6.21 and earlier, and 8.0.28 and earlier.

What is CVE-2022-21485?

The vulnerability in MySQL Cluster allows a high privileged attacker with specific access to compromise the Cluster, potentially leading to unauthorized data access and partial denial of service attacks.

The Impact of CVE-2022-21485

Successful exploitation of this vulnerability can result in unauthorized read access to MySQL Cluster data and the ability to cause a partial denial of service (DOS) to the Cluster. The CVSS 3.1 Base Score is rated at 2.9 with confidentiality and availability impacts.

Technical Details of CVE-2022-21485

Vulnerability Description

The vulnerability stems from a difficult-to-exploit flaw that necessitates the attacker to have access to the physical communication segment of the hardware running the MySQL Cluster. It also requires human interaction for successful exploitation.

Affected Systems and Versions

The affected versions of MySQL Cluster include 7.4.35 and earlier, 7.5.25 and earlier, 7.6.21 and earlier, and 8.0.28 and earlier.

Exploitation Mechanism

Successful attacks on CVE-2022-21485 can allow compromising the Cluster, leading to unauthorized data access and a partial denial of service, requiring specific privileges and user interaction.

Mitigation and Prevention

Immediate Steps to Take

To mitigate the risk associated with CVE-2022-21485, it is recommended to apply security patches promptly, restrict access to critical infrastructure, and monitor unusual activities.

Long-Term Security Practices

In the long run, organizations should implement regular security audits, keep software up to date, educate users on security best practices, and enhance network segmentation.

Patching and Updates

Regularly check for security updates and patches from Oracle to address vulnerabilities like CVE-2022-21485 and ensure timely application to safeguard against potential security breaches.