CVE-2024-21507

Versions of the package mysql2 before 3.9.3 are vulnerable to Improper Input Validation through the keyFromFields function, resulting in cache poisoning. An attacker can inject a colon (:) character within a value of the attacker-crafted key.

• CWE-20
• CWE-20

• https://blog.slonser.info/posts/mysql2-attacker-configuration/Exploit, Permissions Required
• https://github.com/sidorares/node-mysql2/commit/0d54b0ca6498c823098426038162ef10df02c818Patch
• https://github.com/sidorares/node-mysql2/pull/2424Exploit, Issue Tracking
• https://security.snyk.io/vuln/SNYK-JS-MYSQL2-6591300Exploit, Third Party Advisory
• https://blog.slonser.info/posts/mysql2-attacker-configuration/Exploit, Permissions Required
• https://github.com/sidorares/node-mysql2/commit/0d54b0ca6498c823098426038162ef10df02c818Patch
• https://github.com/sidorares/node-mysql2/pull/2424Exploit, Issue Tracking
• https://security.snyk.io/vuln/SNYK-JS-MYSQL2-6591300Exploit, 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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