CVE-2023-21839 is a vulnerability in Oracle Weblogic Server
Published on January 18, 2023
Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 184.108.40.206.0, 220.127.116.11.0 and 18.104.22.168.0. 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).
Known Exploited Vulnerability
This Oracle WebLogic Server Unspecified Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Oracle WebLogic Server contains an unspecified vulnerability that allows an unauthenticated attacker with network access via T3, IIOP, to compromise Oracle WebLogic Server.
The following remediation steps are recommended / required by May 22, 2023: Apply updates per vendor instructions.
CVE-2023-21839 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. It has the highest possible exploitability rating (3.9). The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.
Products Associated with CVE-2023-21839
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What versions of Weblogic Server are vulnerable to CVE-2023-21839?
- Oracle Weblogic Server Version 22.214.171.124.0
- Oracle Weblogic Server Version 126.96.36.199.0
- Oracle Weblogic Server Version 188.8.131.52.0