CVEs-PoC/2021/CVE-2021-23449.md

### [CVE-2021-23449](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23449)
![](https://img.shields.io/static/v1?label=Product&message=vm2&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%203.9.4%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Sandbox%20Bypass&color=brighgreen)

### Description

This affects the package vm2 before 3.9.4 via a Prototype Pollution attack vector, which can lead to execution of arbitrary code on the host machine.

### POC

#### Reference
- https://snyk.io/vuln/SNYK-JS-VM2-1585918

#### Github
- https://github.com/w181496/Web-CTF-Cheatsheet