Vulnerability in the Oracle Database - Sharding component of Oracle Database Server. Supported versions that are affected are 19c and 21c. Easily exploitable vulnerability allows high privileged attacker having Local Logon privilege with network access via Local Logon to compromise Oracle Database - Sharding. Successful attacks of this vulnerability can result in takeover of Oracle Database - Sharding. CVSS 3.1 Base Score 7.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).

This vulnerability allows local attackers to escalate privileges on affected installations of Oracle Database. Authentication is required to exploit this vulnerability. The specific flaw exists within the execution of stored procedures. When executing stored procedures, the process does not properly check the caller's privileges. An attacker can leverage this vulnerability to escalate privileges to resources normally protected from users with limited privileges.