CVE-2024-21126: Medium severity oracle database vulnerability

Published Jul 16, 2024
·
Updated

Vulnerability in the Oracle Database Portable Clusterware component of Oracle Database Server. Supported versions that are affected are 19.3-19.23 and 21.3-21.14. Easily exploitable vulnerability allows unauthenticated attacker with network access via DNS to compromise Oracle Database Portable Clusterware. While the vulnerability is in Oracle Database Portable Clusterware, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Database Portable Clusterware. CVSS 3.1 Base Score 5.8 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L).

Affected Software

3 affected components
Oracle Database Server>=19.3<=19.23, >=21.3<=21.14
Oracle Database Server>=19.3<=19.23
Oracle Database Server>=21.3<=21.14

Event History

Jul 16, 2024
CVE Published
via MITRE·10:39 PM
Data Sourced
via MITRE·10:39 PM
DescriptionSeverity
Data Sourced
via NVD·11:15 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2024-21126?

CVE-2024-21126 is classified as an easily exploitable vulnerability allowing unauthenticated attackers with network access to compromise Oracle Database Portable Clusterware.

2

How do I fix CVE-2024-21126?

To fix CVE-2024-21126, apply the latest security patches provided by Oracle for the affected versions of Oracle Database.

3

Which versions are affected by CVE-2024-21126?

CVE-2024-21126 affects Oracle Database Server versions 19.3 to 19.23 and 21.3 to 21.14.

4

Can the CVE-2024-21126 vulnerability be exploited remotely?

Yes, CVE-2024-21126 can be exploited remotely via DNS by an unauthenticated attacker.

5

Is my Oracle Database vulnerable to CVE-2024-21126?

If you are using Oracle Database Server versions 19.3 to 19.23 or 21.3 to 21.14, your system is vulnerable to CVE-2024-21126.

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.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203