CVE-2020-2551: Oracle Fusion Middleware Unspecified Vulnerability

Critical severity, CVSS 9.8. Actively exploited: in CISA KEV since 2023-11-16. EPSS: 93.2% 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 unauthenticated attacker with network access via IIOP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.0 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

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.