CVE-2025-21555: Medium severity 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 as well as unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.1 Base Score 5.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H).
— Debian
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-21555?
CVE-2025-21555 is classified as a high severity vulnerability in MySQL Server.
How do I fix CVE-2025-21555?
To mitigate CVE-2025-21555, upgrade MySQL Server to version 8.0.41 or later, 8.4.4 or later, and 9.1.1 or later.
Which MySQL Server versions are affected by CVE-2025-21555?
CVE-2025-21555 affects MySQL Server versions 8.0.40 and prior, 8.4.3 and prior, and 9.1.0 and prior.
What type of attacks can exploit CVE-2025-21555?
CVE-2025-21555 can be exploited by high privileged attackers with network access via multiple protocols.
Is CVE-2025-21555 easily exploitable?
Yes, CVE-2025-21555 is considered easily exploitable under the right conditions.