CVE-2023-21838: High severity oracle weblogic server vulnerability

Published Jan 17, 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 ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle WebLogic Server. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

Affected Software

3 affected components

ORACLE WebLogic Server=12.2.1.3.0

ORACLE WebLogic Server=12.2.1.4.0

ORACLE WebLogic Server=14.1.1.0.0

Remediation

Patch Available

https://www.oracle.com/security-alerts/cpujan2023.html

Event History

Jan 17, 2023

CVE Published

via MITRE·11:35 PM

Data Sourced

via MITRE·11:35 PM

DescriptionSeverity

Frequently Asked Questions

What is the severity of CVE-2023-21838?

The severity of CVE-2023-21838 is high.

Which versions of Oracle WebLogic Server are affected by CVE-2023-21838?

The affected versions of Oracle WebLogic Server are 12.2.1.3.0, 12.2.1.4.0, and 14.1.1.0.0.

How can an attacker exploit CVE-2023-21838?

An unauthenticated attacker with network access via T3 or IIOP can exploit this vulnerability.

What is the reference for CVE-2023-21838?

The reference for CVE-2023-21838 is https://www.oracle.com/security-alerts/cpujan2023.html

How can I fix CVE-2023-21838?

Apply the latest security patches provided by Oracle to mitigate CVE-2023-21838.