Vulnerability in the Oracle WebLogic Server component of Oracle Fusion Middleware (subcomponent: WLS - Web Services). Supported versions that are affected are 12.1.3.0, 12.2.1.2 and 12.2.1.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.0 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Vulnerability in the RDBMS Security component of Oracle Database Server. Supported versions that are affected are 11.2.0.4, 12.1.0.2 and 12.2.0.1. Easily exploitable vulnerability allows high privileged attacker having Create User privilege with logon to the infrastructure where RDBMS Security executes to compromise RDBMS Security. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of RDBMS Security accessible data. CVSS 3.0 Base Score 2.3 (Integrity impacts). CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N).

Vulnerability in the RDBMS Security component of Oracle Database Server. The supported version that is affected is 12.1.0.2. Difficult to exploit vulnerability allows high privileged attacker having Create Session, Select Any Dictionary privilege with logon to the infrastructure where RDBMS Security executes to compromise RDBMS Security. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of RDBMS Security accessible data. CVSS 3.0 Base Score 1.9 (Integrity impacts). CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N).