CVE-2020-14869: 
MySQL vulnerability analysis and mitigation

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: LDAP Auth) affects versions 5.7.31 and prior and 8.0.21 and prior. This easily exploitable vulnerability allows high privileged attackers with network access via multiple protocols to compromise MySQL Server (CVE Mitre, Oracle CPU).

The vulnerability has a CVSS 3.1 Base Score of 4.9 (Availability impacts) with the vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H). This indicates a network-accessible vulnerability with low attack complexity, requiring high privileges, no user interaction, and affecting availability (NVD, NetApp Security).

Successful attacks exploiting this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. The vulnerability specifically impacts the availability of the system without compromising confidentiality or integrity (CVE Mitre).

The vulnerability is classified as easily exploitable, requiring a high-privileged attacker with network access. The attack can be conducted via multiple protocols to compromise MySQL Server (Oracle CPU).

Oracle has released patches for affected versions through their Critical Patch Update program. Users should upgrade to versions newer than MySQL 5.7.31 and 8.0.21. For specific environments like Gentoo, users should upgrade to MySQL version 8.0.24 or later (Gentoo Security).