CVE-2025-21495

MediumCVSS 4.4/10Last modified Jun 17, 2026

Description

Vulnerability in the MySQL Enterprise Firewall product of Oracle MySQL (component: Firewall). Supported versions that are affected are 8.0.40 and prior, 8.4.3 and prior and 9.1.0 and prior. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Enterprise Firewall. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Enterprise Firewall. CVSS 3.1 Base Score 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H).

Metrics

CVSS 3.1 4.4/10CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-770

Affected software

VendorProductVersions
Oracle CorporationMySQL Enterprise Firewall<= 8.0.40; <= 8.4.3; <= 9.1.0

References

Timeline

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

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CVE-2025-21495: Medium severity, CVSS 4.4 | Vulnix