CVE-2021-2030

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

Description The issue exists due to insufficient input validation in the Server: Optimizer component of the MySQL Server system. This allows a remote attacker to cause a denial of service. Successful attacks can result in the ability to cause a hang or frequently repeatable crash of the MySQL Server.

Recommendations For MySQL Server versions 8.0.21 and prior, update to a version that contains a fix for this issue. As a temporary workaround, consider restricting network access to the MySQL Server to minimize the risk of exploitation.