Vulnerability in the Oracle Installed Base product of Oracle E-Business Suite (component: Instance Main). Supported versions that are affected are 12.2.3-12.2.11. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Installed Base. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Installed Base. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).