Is CVE-2020-14756 actively exploited?

Yes. CVE-2020-14756 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2020-14756 be exploited remotely?

The attack vector of CVE-2020-14756 has not been classified yet.

What is the CVSS score of CVE-2020-14756?

CVE-2020-14756 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2020-14756

UNKNOWNCISA KEVIN THE WILD

CVE-2020-14756

Published: April 11, 2026

EPSS:87.20%probability of exploitation in 30 daysPercentile:99.4th

Official Description

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).

NVD Source

Technical Analysis

CVE-2020-14756 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2020-14756 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.