CVE-2025-21495

MEDIUM

Oracle MySQL Enterprise Firewall <= 8.0.40, <= 8.4.3, 9.1.0 - Denial of Service

Title source: llm

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).

References (1)

Core 1

Core References

Vendor Advisory vendor-advisory

https://www.oracle.com/security-alerts/cpujan2025.html

Scores

CVSS v3 4.4

EPSS 0.0012

EPSS Percentile 30.2%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-770

Status published

Products (2)

oracle/mysql_enterprise_firewall 9.1.0

oracle/mysql_enterprise_firewall 8.0.0 - 8.0.40

Published Jan 21, 2025

Tracked Since Feb 18, 2026