CVE-2021-2070

Name of the Vulnerable Software and Affected Versions: MySQL Server versions 8.0.22 and prior

Description: The issue is related to insufficient access control in the MySQL Server component, specifically in the Optimizer subsystem. This can be exploited by a remote attacker to cause a denial of service via the MySQL network protocol. Successful attacks can result in the ability to cause a hang or frequently repeatable crash of the MySQL Server.

Recommendations: For versions 8.0.22 and prior, update to a version that includes the fix for this issue to prevent exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.