Warning: High Severity Vulnerability in Oracle WebLogic Server
Oracle WebLogic Server versions 184.108.40.206.0, 220.127.116.11.0 and 18.104.22.168.0
Unauthorized access to critical data
CVE-2023-21839 / 7.5
The vulnerability has a . Privileges, authentication, and user interaction are not required to remotely exploit this vulnerability.
Moreover, CVE-2023-21839 has been observed being .
The vulnerability is easily exploitable and allows an unauthenticated attacker with network access via T3, IIOP to have access to critical data or to access to all Oracle WebLogic Server available data.
The Centre for Cyber Security Belgium strongly recommends system administrators to apply the necessary patches.