PT-2024-18923 · Mysql2 · Mysql2

Vsevolod Kokorin · Published 2024-04-10 · Updated 2025-06-17 · CVE-2024-21509

Positive Technologies (AI Summary)

CVSS v4.0

6.9

Medium

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions mysql2 versions prior to 3.9.4

Description The issue is related 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.

Recommendations For versions prior to 3.9.4, update to version 3.9.4 or later to resolve the issue. As a temporary workaround, consider restricting the use of the parserFn function in text parser.js and binary parser.js until a patch is applied.

Exploit

Fix

Prototype Pollution

Weakness Enumeration

CWE-1321

Related Identifiers

CVE-2024-21509

GHSA-49J4-86M8-Q2JW

Affected Products

Mysql2

References · 13

• 🔥 https://github.com/sidorares/node-mysql2/pull/2574 · Exploit
• 🔥 https://security.snyk.io/vuln/SNYK-JS-MYSQL2-6591084 · Exploit
• 🔥 https://blog.slonser.info/posts/mysql2-attacker-configuration · Exploit
• https://github.com/sidorares/node-mysql2/commit/4a964a3910a4b8de008696c554ab1b492e9b4691 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2024-21509 · Security Note
• https://osv.dev/vulnerability/CVE-2024-21509 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-49j4-86m8-q2jw · Vendor Advisory
• https://github.com/sidorares/node-mysql2/releases/tag/v3.9.4 · Note
• https://github.com/sidorares/node-mysql2/blob/fd3d117da82cc5c5fa5a3701d7b33ca77691bc61/lib/parsers/text_parser.js%23L134 · Note
• https://github.com/sidorares/node-mysql2 · Note
• https://twitter.com/CVEnew/status/1778263664086397241 · Twitter Post
• https://t.me/cvenotify/125990 · Telegram Post
• https://t.me/cvenotify/91716 · Telegram Post