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.

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.

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.

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

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

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.

Vulnerability/
CVE-2024-21126

medium

5.8

CWE

400

16/7/2024

29/8/2024

CVE-2024-21126

First published: Tue 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).

Credit: secalert_us@oracle.com

Affected Software	Affected Version	How to fix
Oracle Database	>=19.3<=19.23>=21.3<=21.14

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Reference Links

https://www.oracle.com/security-alerts/cpujul2024.html

Frequently Asked Questions

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

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Frequently Asked Questions

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