CVE-2021-2234: Oracle Database Server

Medium severity, CVSS 5.3. EPSS: 0.8% chance of exploitation in the next 30 days.

Vulnerability in the Java VM component of Oracle Database Server. Supported versions that are affected are 12.1.0.2, 12.2.0.1, 18c and 19c. Difficult to exploit vulnerability allows low privileged attacker having Create Session privilege with network access via Oracle Net to compromise Java VM. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Java VM accessible data. CVSS 3.1 Base Score 5.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N).

Affected products

• Oracle Database Server: version 12.1.0.2 only; version 12.2.0.1 only; version 18c only; version 19c only

Published 2021-04-22. Last modified 2026-06-17.