How severe is CVE-2025-30689?

This vulnerability has a severity rating of MEDIUM with a CVSS score of 4.9 out of 10.

What type of vulnerability is CVE-2025-30689?

This is classified as CWE-284, which is a common weakness in software security.

CVE-2025-30689 - MEDIUM Severity | CVSS 4.9

Vulnerability Description

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.0-8.0.41, 8.4.0-8.4.4 and 9.0.0-9.2.0. 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).

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