What is CVE-2023-21839?

CVE-2023-21839 is an unspecified vulnerability in Oracle WebLogic Server that allows an unauthenticated attacker to compromise the server.

How does CVE-2023-21839 affect Oracle WebLogic Server?

CVE-2023-21839 affects Oracle WebLogic Server by allowing an unauthenticated attacker with network access to compromise the server.

Can an attacker exploit CVE-2023-21839 remotely?

Yes, an attacker can exploit CVE-2023-21839 remotely if they have network access via T3 or IIOP.

Is there a fix available for CVE-2023-21839?

Yes, you can refer to the Oracle Security Advisory and apply the necessary patches or upgrades to fix CVE-2023-21839.

Where can I find more information about CVE-2023-21839?

You can find more information about CVE-2023-21839 in the Oracle Security Advisory mentioned in the references section.

Vulnerability/
CVE-2023-21839

Exploited

high

7.5

18/1/2023

12/6/2023

CVE-2023-21839: Oracle WebLogic Server Unspecified Vulnerability

First published: Wed Jan 18 2023(Updated: )

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.3.0, 12.2.1.4.0 and 14.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle WebLogic Server accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).

Credit: secalert_us@oracle.com

Affected Software	Affected Version	How to fix
Oracle WebLogic Server	=12.2.1.3.0
Oracle WebLogic Server	=12.2.1.4.0
Oracle WebLogic Server	=14.1.1.0.0

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Frequently Asked Questions

What is CVE-2023-21839?
CVE-2023-21839 is an unspecified vulnerability in Oracle WebLogic Server that allows an unauthenticated attacker to compromise the server.
How does CVE-2023-21839 affect Oracle WebLogic Server?
CVE-2023-21839 affects Oracle WebLogic Server by allowing an unauthenticated attacker with network access to compromise the server.
Can an attacker exploit CVE-2023-21839 remotely?
Yes, an attacker can exploit CVE-2023-21839 remotely if they have network access via T3 or IIOP.
Is there a fix available for CVE-2023-21839?
Yes, you can refer to the Oracle Security Advisory and apply the necessary patches or upgrades to fix CVE-2023-21839.
Where can I find more information about CVE-2023-21839?
You can find more information about CVE-2023-21839 in the Oracle Security Advisory mentioned in the references section.

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version/oracle weblogic server/12.2.1.3.0
version/oracle weblogic server/12.2.1.4.0
version/oracle weblogic server/14.1.1.0.0

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