CVE-2023-21839

Known Exploited Public Exploit

Description

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).

Categories

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 93.18% Top 5%
KEV Since 
Vendor Advisory oracle.com
Affected: Oracle Corporation WebLogic Server
Published at:
Updated at:

References

Link Tags
https://www.oracle.com/security-alerts/cpujan2023.html patch vendor advisory
http://packetstormsecurity.com/files/172882/Oracle-Weblogic-PreAuth-Remote-Command-Execution.html exploit vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2023-21839?
CVE-2023-21839 has been scored as a high severity vulnerability.
How to fix CVE-2023-21839?
To fix CVE-2023-21839, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-21839 being actively exploited in the wild?
It is confirmed that CVE-2023-21839 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~93% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-21839?
CVE-2023-21839 affects Oracle Corporation WebLogic Server.
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