CVE-2025-21574

MEDIUM

Oracle MySQL Server 8.0.0-8.0.41, 8.4.0-8.4.4, 9.0.0-9.2.0 - Denial of Service in Parser

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2025-21574. PoCs published by mdriaz009.

AI-analyzed exploit summary This README describes a black-box exploit for CVE-2025-21574, targeting MySQL servers with credential brute-forcing and a DoS attack via excessive nesting levels. It outlines features, usage, and expected outcomes but lacks actual exploit code.

Description

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Parser). 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 low 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 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

Exploits (1)

nomisec WRITEUP
by mdriaz009 · poc
https://github.com/mdriaz009/CVE-2025-21574-Exploit

This README describes a black-box exploit for CVE-2025-21574, targeting MySQL servers with credential brute-forcing and a DoS attack via excessive nesting levels. It outlines features, usage, and expected outcomes but lacks actual exploit code.

Classification
Writeup 90%
Attack Type
Dos
Complexity
Moderate
Reliability
Theoretical
Target: MySQL (version not specified)
No auth needed
Prerequisites: Python with pymysql · Target IP address
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References
Patch, Vendor Advisory vendor-advisory
https://www.oracle.com/security-alerts/cpuapr2025.html

Scores

CVSS v3 6.5
EPSS 0.0086
EPSS Percentile 53.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-400
Status published
Products (2)
oracle/mysql_cluster 7.6.0 - 7.6.33
oracle/mysql_server 8.0.0 - 8.0.41
Published Apr 15, 2025
Tracked Since Feb 18, 2026