CVE-2021-2437: 
MySQL vulnerability analysis and mitigation

CVE-2021-2437 is a vulnerability affecting MySQL Server versions 8.0.25 and prior. The vulnerability exists in the MySQL Server's Optimizer component and could potentially be exploited by a high-privileged attacker with network access (Oracle CPE).

The vulnerability has been assigned a CVSS v3.1 base score of 4.9 (Medium severity). It requires network access and high privileges to exploit. The vulnerability specifically affects the Optimizer component of MySQL Server and could lead to a denial of service condition (NVD, NetApp Advisory).

Successful exploitation of this vulnerability could allow an attacker to cause a denial of service condition in MySQL Server. The attack requires high privileges and network access to execute (NetApp Advisory).

The vulnerability requires network access and high privileges to exploit. There are no known public exploits specifically targeting this vulnerability at the time of disclosure (Oracle CPE).

Oracle has released patches to address this vulnerability in the July 2021 Critical Patch Update. Users should upgrade to MySQL Server versions after 8.0.25. The fix is included in MySQL version 8.0.26 (Red Hat Advisory).