CVE-2020-14878: Oracle MySQL

High severity, CVSS 8.0. EPSS: 1.2% chance of exploitation in the next 30 days.

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: LDAP Auth). Supported versions that are affected are 8.0.21 and prior. Easily exploitable vulnerability allows low privileged attacker with access to the physical communication segment attached to the hardware where the MySQL Server executes to compromise MySQL Server. Successful attacks of this vulnerability can result in takeover of MySQL Server. CVSS 3.1 Base Score 8.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

Affected products

• Oracle MySQL: from 8.0.0, up to and including 8.0.21

Published 2020-10-21. Last modified 2026-06-17.