Vulnerability in the Oracle Database Enterprise Edition Unified Audit component of Oracle Database Server. Supported versions that are affected are 12.1.0.2, 12.2.0.1 and 19c. Easily exploitable vulnerability allows high privileged attacker having Local Logon privilege with network access via Oracle Net to compromise Oracle Database Enterprise Edition Unified Audit. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Database Enterprise Edition Unified Audit accessible data. CVSS 3.1 Base Score 2.7 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N).
https://www.oracle.com/security-alerts/cpuoct2021.html
http://packetstormsecurity.com/files/170373/Oracle-Database-Vault-Metadata-Exposure.html
http://packetstormsecurity.com/files/170354/Oracle-Unified-Audit-Policy-Bypass.html