CVE-2020-14794

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

Description The issue is related to insufficient input validation in the MySQL Server component, specifically in the Optimizer subsystem. This can be exploited by a remote attacker to cause a denial of service, resulting in the ability to hang or crash the MySQL Server. The vulnerability can be exploited via multiple protocols, allowing a high-privileged attacker with network access to compromise 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.