Remote Code Execution Vulnerability in Oracle MySQL Server
CVE-2025-21559

5.5MEDIUM

Key Information:

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

Summary

A vulnerability exists in Oracle's MySQL Server, specifically within the InnoDB component, which allows a high-privileged attacker with network access to exploit the system. Affected versions include MySQL Server 8.0.40 and earlier, 8.4.3 and earlier, and 9.1.0 and earlier. The exploit can cause severe disruptions, including denial of service (DoS) due to server hangs or crashes, as well as unauthorized modifications to accessible data. This vulnerability raises significant concerns regarding the integrity and availability of data handled by MySQL Server.

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:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.