CVE-2020-2550: Oracle WebLogic Server

Medium severity, CVSS 5.1. EPSS: 0.5% chance of exploitation in the next 30 days.

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: WLS Core Components). Supported versions that are affected are 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0 and 12.2.1.4.0. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle WebLogic Server executes to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle WebLogic Server accessible data as well as unauthorized update, insert or delete access to some of Oracle WebLogic Server accessible data. CVSS 3.0 Base Score 5.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N).

Affected products

• Oracle WebLogic Server: version 10.3.6.0.0 only; version 12.1.3.0.0 only; version 12.2.1.3.0 only; version 12.2.1.4.0 only

Published 2020-01-15. Last modified 2026-06-17.