CVE-2025-21497

Summary

CVE-2025-21497 is a vulnerability affecting the InnoDB component of Oracle MySQL Server versions 8.0.40 and prior, 8.4.3 and prior, and 9.1.0 and prior. This easily exploitable issue allows high-privileged attackers with network access to compromise MySQL Server, leading to a hang or frequent crash (Denial of Service) and unauthorized access to update, insert, or delete data. The base score of this vulnerability, according to the Common Vulnerability Scoring System (CVSS), is 5.5 for both Integrity and Availability impacts. The attack vector is defined as Adversarial (A): Local (L): Privileged (P): High (H), Network (N).

Prevent cyber attacks with Recorded Future by prioritizing and patching critical vulnerabilities being exploited by threat actors targeting your industry. Book your demo to learn more.