Denial of Service Vulnerability in MySQL Server by Oracle
CVE-2025-21566

6.5MEDIUM

Key Information:

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

Summary

A vulnerability has been identified in Oracle's MySQL Server that allows a low-privileged attacker with network access to exploit the system using multiple protocols. The flaw can lead to unauthorized actions, resulting in a denial of service condition characterized by a hang or repeatable crash of the MySQL Server product. This critical aspect of the vulnerability emphasizes the need for immediate attention and remediation in affected versions to maintain system integrity and availability.

Affected Version(s)

MySQL Server * <= 9.1.0

References

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

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.