Appsecure logo

CVE-2022-21490: Medium Vulnerability in Oracle MySQL Cluster

CVE-2022-21490 represents a medium-severity vulnerability affecting Oracle MySQL Cluster. Attackers with high privileges may exploit this flaw, necessitating urgent attention from organizations to mitigate potential risks.

MEDIUMCVSS 6.3 · Published April 19, 2022

Not a customer? See how AppSecure simulates real world attacks to protect your infrastructure.

Speak to Experts

CVE-2022-21490 is a vulnerability in the MySQL Cluster product of Oracle MySQL, specifically within the Cluster: General component. This vulnerability is classified as medium severity, with a CVSS 3.1 base score of 6.3. Organizations utilizing affected versions must recognize the risk posed by this vulnerability, as it allows a high privileged attacker with access to the physical communication segment to compromise the MySQL Cluster. Successful exploitation requires human interaction from a third party, thus increasing the complexity of the attack.

The supported affected versions include MySQL Cluster versions 7.4.35 and prior, 7.5.25 and prior, 7.6.21 and prior, and 8.0.28 and prior. Given the nature of this vulnerability, organizations should address it in their patch cycle, as successful attacks can lead to a complete takeover of the MySQL Cluster, impacting confidentiality, integrity, and availability.

Organizations should prioritize patching immediately to mitigate potential risks associated with CVE-2022-21490. The exploitation status indicates that no public exploit has been confirmed, however, the complexity of the attack and the required privileges underscore the necessity for vigilance in monitoring and securing systems.

This vulnerability highlights the importance of maintaining an effective security posture and the need for regular updates and assessments to protect against evolving threats.

Vulnerability Details

The official description of CVE-2022-21490 states that it is a vulnerability in the MySQL Cluster product of Oracle MySQL. The vulnerability is difficult to exploit but allows a high privileged attacker with access to the physical communication segment to compromise MySQL Cluster. Successful attacks require human interaction from a person other than the attacker. The resulting impact can lead to a takeover of the MySQL Cluster.

This vulnerability is classified as a medium severity with a CVSS score of 6.3, which indicates a moderate risk. The CVSS vector string is (CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H). The affected products include MySQL Cluster versions up to 8.0.28, and the vulnerability was published on April 19, 2022.

Technical Analysis

The root cause of CVE-2022-21490 stems from the complex interaction required between the attacker and the victim. The attack vector is classified as adjacent network, meaning an attacker must be on the same physical network segment as the target system. Given the high privileges required for successful exploitation and the necessity for user interaction, the attack complexity is rated as high.

The attacker's capability to leverage this vulnerability is confined to those with elevated privileges and physical access to the communication segment. The impacts of this vulnerability are significant, as they encompass high confidentiality, integrity, and availability risks.

Risk & Impact Analysis

Risk to organizations includes the potential for unauthorized access and control over the MySQL Cluster, which could lead to data breaches and operational disruptions. The complexity of the attack does not diminish the urgency of addressing this vulnerability, as the impacts can be far-reaching.

Organizations should prioritize patching immediately to mitigate the risks associated with CVE-2022-21490. Given the potential for significant data loss and operational impact, it is crucial to address this issue within the priority patch cycle.

Exploitation Status

Signal

Status

Known Exploit

No

Public PoC

No

Actively Exploited

No

Ransomware Use

No

Affected Versions

The vulnerable versions of Oracle MySQL Cluster include 7.4.35 and prior, 7.5.25 and prior, 7.6.21 and prior, and 8.0.28 and prior. Organizations are advised to check their versions to ensure they are not affected by this vulnerability.

Mitigation & Remediation

Organizations should apply the relevant patches and updates to mitigate the risks associated with CVE-2022-21490. For those unable to immediately upgrade, implementing configuration hardening and network controls can help limit exposure.

For further details on security testing and to ensure compliance with security standards, organizations may consider engaging in penetration testing services.

Detection Guidance

To detect potential exploitation attempts, organizations should monitor logs for any unusual access patterns and behavioral anomalies around the MySQL Cluster instances. Implementing network signatures can also help in identifying suspicious activities.

AppSecure Threat Intelligence Insight

CVE-2022-21490 serves as a reminder of the ongoing need for vigilance in application security. As vulnerabilities evolve, so too must the strategies employed by security teams. This incident highlights the importance of regular security assessments and the adoption of a proactive security posture.

Security teams can benefit from establishing a comprehensive vulnerability management program that emphasizes proactive measures and continuous monitoring.

Additionally, engaging in regular penetration testing methodology can help identify and rectify weaknesses before they are exploited.

Organizations should consider the insights from this vulnerability as part of their long-term strategic planning, reinforcing the importance of a resilient security framework.

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

Latest CVEs. Recently published vulnerabilities from the NVD database.

View all vulnerabilities
CVE IDSeverity
CVE-2025-65418HIGH
CVE-2025-65417MEDIUM
CVE-2025-65416MEDIUM
CVE-2025-65415MEDIUM
CVE-2025-61314HIGH

Protect Your Business with Hacker-Focused Approach.