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How the CVE Works
CVE-2025-21583 is a vulnerability in MySQL Server (versions 8.4.0 and 9.0.0) within the DDL (Data Definition Language) component. A high-privileged attacker with network access can exploit this flaw via multiple protocols to trigger a denial-of-service (DoS) condition. The attack causes the MySQL Server to hang or crash repeatedly due to improper handling of certain DDL operations. The vulnerability stems from insufficient validation during table or schema modifications, allowing maliciously crafted queries to disrupt service availability.
DailyCVE Form
Platform: MySQL Server
Version: 8.4.0, 9.0.0
Vulnerability: DDL DoS
Severity: Medium
Date: 06/23/2025
Prediction: Patch by Q3 2025
What Undercode Say
Analytics:
SHOW TABLES; ALTER TABLE malicious_payload CRASH;
Exploit:
- Crafted DDL query abuse
- High-privilege network attack
- Repeated crash triggers
Protection from this CVE:
- Restrict admin privileges
- Patch when available
- Monitor DDL operations
Impact:
- Service disruption
- Unauthorized DoS
- Database unavailability
Sources:
Reported By: nvd.nist.gov
Extra Source Hub:
Undercode
