Privilege Escalation Vulnerability in MySQL Server by Oracle
CVE-2025-21519

4.4MEDIUM

Key Information:

Vendor
Oracle
Status
Mysql Server
Vendor
CVE Published:
21 January 2025

Summary

A vulnerability exists within Oracle's MySQL Server that permits a high-privileged attacker with network access to exploit the system through multiple protocols. This flaw can lead to unauthorized actions that may cause the server to hang or repeatedly crash, resulting in a complete denial of service. The supported MySQL versions affected include 8.0.40 and earlier, 8.4.3 and earlier, and 9.1.0 and earlier. Mitigating this vulnerability is critical to maintaining system stability and security.

Affected Version(s)

MySQL Server * <= 8.0.40

MySQL Server * <= 8.4.3

MySQL Server * <= 9.1.0

References

https://www.oracle.com/security-alerts/cpujan2025.html
vendor-advisory

CVSS V3.1

Score:
4.4
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.