CVE-2025-21492

Description

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.36 and prior and 8.4.0. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

Category

4.9
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.06%
Vendor Advisory oracle.com
Affected: Oracle Corporation MySQL Server
Published at:
Updated at:

References

Link Tags
https://www.oracle.com/security-alerts/cpujan2025.html vendor advisory
https://security.netapp.com/advisory/ntap-20250124-0011/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2025-21492?
CVE-2025-21492 has been scored as a medium severity vulnerability.
How to fix CVE-2025-21492?
To fix CVE-2025-21492, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-21492 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-21492 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-21492?
CVE-2025-21492 affects Oracle Corporation MySQL Server.
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