Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Web Container). Supported versions that are affected are 12.2.1.3.0, 12.2.1.4.0 and 14.1.1.0.0. Difficult to exploit vulnerability allows high privileged attacker with logon to the infrastructure where Oracle WebLogic Server executes 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 as well as unauthorized update, insert or delete access to some of Oracle WebLogic Server accessible data and unauthorized read access to a subset of Oracle WebLogic Server accessible data. CVSS 3.1 Base Score 5.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:H).