CVE-2021-2055

Name of the Vulnerable Software and Affected Versions: MySQL Server versions 8.0.21 and prior

Description: The issue is related to insufficient access control in the MySQL Server component, specifically the Server: Optimizer. This can be exploited by a high-privileged attacker with network access via multiple protocols to compromise the MySQL Server, resulting in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of the server.

Recommendations: For MySQL Server versions 8.0.21 and prior, update to a version that contains a fix for this issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.