CVE-2025-21491: Medium severity oracle mysql vulnerability
Last updated 30 January 2025
Other sources
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 8.0.40 and prior, 8.4.3 and prior and 9.1.0 and prior. 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).
— NVD
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-21491?
CVE-2025-21491 is considered easily exploitable, allowing high privileged attackers to gain unauthorized access.
How do I fix CVE-2025-21491?
To fix CVE-2025-21491, upgrade MySQL Server to version 8.0.41-2 or later.
Which MySQL Server versions are affected by CVE-2025-21491?
CVE-2025-21491 affects MySQL Server versions 8.0.40 and prior, 8.4.3 and prior, and 9.1.0 and prior.
Can this attack be carried out remotely with CVE-2025-21491?
Yes, CVE-2025-21491 can be exploited remotely by attackers with network access.
What component of MySQL Server is affected by CVE-2025-21491?
CVE-2025-21491 affects the InnoDB component of the MySQL Server product.