medium
6.5
Advisory Published
Advisory Published
Updated

CVE-2022-21321: Oracle MySQL Cluster Data Node Improper Validation of Array Index Information Disclosure Vulnerability

First published: Wed Jan 19 2022(Updated: )

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Oracle MySQL Cluster. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of Data Node jobs. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an array. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the service account.

Credit: secalert_us@oracle.com

Affected SoftwareAffected VersionHow to fix
Oracle MySQL Cluster
MySQL>=7.4.0<=7.4.34
MySQL>=7.5.0<=7.5.24
MySQL>=7.6.0<=7.6.20
MySQL>=8.0.0<=8.0.27
NetApp OnCommand Insight
NetApp OnCommand Workflow Automation

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Frequently Asked Questions

  • What is CVE-2022-21321?

    CVE-2022-21321 is a vulnerability in the MySQL Cluster product of Oracle MySQL that allows a high privileged attacker with physical access to cause information disclosure.

  • Which versions of Oracle MySQL Cluster are affected by CVE-2022-21321?

    Oracle MySQL Cluster versions 7.4.34 and prior, 7.5.24 and prior, 7.6.20 and prior, and 8.0.27 and prior are affected by CVE-2022-21321.

  • How severe is CVE-2022-21321?

    CVE-2022-21321 has a severity rating of 6.5 (Medium).

  • How can the CVE-2022-21321 vulnerability be exploited?

    CVE-2022-21321 is difficult to exploit and requires a high privileged attacker with physical access to exploit the vulnerability.

  • Are there any references for CVE-2022-21321?

    Yes, you can find references for CVE-2022-21321 at the following links: [Oracle Security Alerts](https://www.oracle.com/security-alerts/cpujan2022.html), [Zero Day Initiative Advisory](https://www.zerodayinitiative.com/advisories/ZDI-22-106/), [NetApp Advisory](https://security.netapp.com/advisory/ntap-20220121-0008/).

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203