Question: What is CVE-2025-21540?
Answer: CVE-2025-21540 is a vulnerability classified as medium with a CVSS score of 5.4. It falls under CWE-863 and affects the system as follows: Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: Privileges).  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 low privileged attacker with network access via multiple protocols to compromise MySQL Server.  Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of MySQL Server accessible data as well as  unauthorized read access to a subset of MySQL Server accessible data. CVSS 3.1 Base Score 5.4 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N).