MariaDB 10.2 /MySQL - (wsrep_provider) OS Command Execution Vulnerability

Exploit Title: MariaDB 10.2 /MySQL - 'wsrepprovider' OS Command Execution Exploit Author: Central InfoSec Version: MariaDB 10.2 before 10.2.37, 10.3 before 10.3.28, 10.4 before 10.4.18, and 10.5 before 10.5.9; Percona Server through 2021-03-03; and the wsrep patch through 2021-03-03 for MySQL...