Vulnerability in the MySQL Server component of Oracle MySQL . Supported versions that are affected are 5.6.38 and prior and5.7.20 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQLServer. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all MySQLServer accessible data and unauthorized ability to cause a hang or frequently repeatable crash of MySQL Server. CVSS 3.0 BaseScore 6.5 . CVSS Vector:.