CVE-2022-21331 Explained : Impact and Mitigation

This article provides detailed information about CVE-2022-21331, a vulnerability found in the MySQL Cluster product of Oracle MySQL impacting various versions.

Understanding CVE-2022-21331

CVE-2022-21331 is a vulnerability in the MySQL Cluster product of Oracle MySQL that affects versions 7.4.34 and prior, 7.5.24 and prior, 7.6.20 and prior, and 8.0.27 and prior.

What is CVE-2022-21331?

The vulnerability allows a high privileged attacker with access to the physical communication segment where MySQL Cluster executes to compromise the system. Successful attacks may lead to unauthorized read access to data and partial denial of service.

The Impact of CVE-2022-21331

CVE-2022-21331 has a CVSS 3.1 Base Score of 2.9, with confidentiality and availability impacts. Successful exploitation requires high privileges and human interaction from a third party.

Technical Details of CVE-2022-21331

The following details shed light on the vulnerability:

Vulnerability Description

The vulnerability allows attackers with access to the physical network segment to compromise MySQL Cluster, potentially leading to unauthorized data access and partial denial of service.

Affected Systems and Versions

Versions affected include 7.4.34 and prior, 7.5.24 and prior, 7.6.20 and prior, and 8.0.27 and prior of the MySQL Cluster product by Oracle Corporation.

Exploitation Mechanism

Successful attacks require a high privileged attacker with access to the physical communication segment. Human interaction from a party other than the attacker is necessary for exploitation.

Mitigation and Prevention

To secure systems from CVE-2022-21331, consider the following measures:

Immediate Steps to Take

Monitor for security alerts and updates from Oracle and relevant vendors.
Restrict physical access to systems running MySQL Cluster.

Long-Term Security Practices

Implement network segmentation to limit access to critical system components.
Regularly update MySQL Cluster to the latest patched versions.

Patching and Updates

Apply patches and security updates provided by Oracle to address the vulnerability in MySQL Cluster.