#VU103175 Improper input validation in MySQL Server - CVE-2025-21521
Published: January 21, 2025
Vulnerability identifier: #VU103175
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-21521
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
MySQL Server
MySQL Server
Software vendor:
Oracle
Oracle
Description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the Server: Thread Pooling component in MySQL Server. A remote non-authenticated attacker can exploit this vulnerability to perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.