CVE-2020-14756: Oracle Coherence

Critical severity, CVSS 9.8. EPSS: 74.8% chance of exploitation in the next 30 days.

Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Core Components). Supported versions that are affected are 3.7.1.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0 and 14.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via IIOP, T3 to compromise Oracle Coherence. Successful attacks of this vulnerability can result in takeover of Oracle Coherence. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Affected products

• Oracle Coherence: version 3.7.1.0 only; version 12.1.3.0.0 only; version 12.2.1.3.0 only; version 12.2.1.4.0 only; version 14.1.1.0.0 only
• Oracle Utilities Framework: from 4.3.0.1.0, up to and including 4.3.0.6.0; version 4.2.0.2.0 only; version 4.2.0.3.0 only; version 4.4.0.0.0 only; version 4.4.0.2.0 only; version 4.4.0.3.0 only

Published 2021-01-20. Last modified 2026-06-17.