CVE-2024-21509

Versions of the package mysql2 before 3.9.4 are vulnerable to Prototype Poisoning due to insecure results object creation and improper user input sanitization passed through parserFn in text_parser.js and binary_parser.js.

• CWE-1321
• CWE-1321

• https://blog.slonser.info/posts/mysql2-attacker-configuration/Exploit, Permissions Required
• https://github.com/sidorares/node-mysql2/blob/fd3d117da82cc5c5fa5a3701d7b33ca77691bc61/lib/parsers/text_parser.js%23L134Broken Link
• https://github.com/sidorares/node-mysql2/commit/4a964a3910a4b8de008696c554ab1b492e9b4691Patch
• https://github.com/sidorares/node-mysql2/pull/2574Exploit, Issue Tracking
• https://github.com/sidorares/node-mysql2/releases/tag/v3.9.4Release Notes
• https://security.snyk.io/vuln/SNYK-JS-MYSQL2-6591084Exploit, Third Party Advisory
• https://blog.slonser.info/posts/mysql2-attacker-configuration/Exploit, Permissions Required
• https://github.com/sidorares/node-mysql2/blob/fd3d117da82cc5c5fa5a3701d7b33ca77691bc61/lib/parsers/text_parser.js%23L134Broken Link
• https://github.com/sidorares/node-mysql2/commit/4a964a3910a4b8de008696c554ab1b492e9b4691Patch
• https://github.com/sidorares/node-mysql2/pull/2574Exploit, Issue Tracking
• https://github.com/sidorares/node-mysql2/releases/tag/v3.9.4Release Notes
• https://security.snyk.io/vuln/SNYK-JS-MYSQL2-6591084Exploit, Third Party Advisory

Published

Apr 10, 2024

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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