CVE-2022-21420: Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Core). Supported versions that are

Oracle Coherence (a data management tool in Oracle Fusion Middleware) has a critical vulnerability (CVE-2022-21420) that allows attackers without authentication to take over the system by exploiting the T3 protocol (a communication method used by Oracle products), affecting versions 12.2.1.3.0, 12.2.1.4.0, and 14.1.1.0.0. The vulnerability has a CVSS score (a 0-10 severity rating) of 9.8, meaning it is extremely serious and impacts confidentiality, integrity, and availability of the system.