Vulnerability in the RDBMS Gateway / Generic ODBC Connectivity component of Oracle Database Server. Supported versions that are affected are 12.1.0.2 19c and 21c. Easily exploitable vulnerability allows low privileged attacker having Create Session privilege with network access via Oracle Net to compromise RDBMS Gateway / Generic ODBC Connectivity. Successful attacks of this vulnerability can result in unauthorized update insert or delete access to some of RDBMS Gateway / Generic ODBC Connectivity accessible data as well as unauthorized read access to a subset of RDBMS Gateway / Generic ODBC Connectivity accessible data. CVSS 3.1 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N).