CVE-2025-21497

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

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).

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H

Weakness enumeration

CWE-346

Affected software

No affected versions have been published.

Timeline

Published
Jan 21, 2025
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2025-21497: Medium severity, CVSS 5.5 | Vulnix