### [CVE-2021-3138](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3138)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

In Discourse 2.7.0 through beta1, a rate-limit bypass leads to a bypass of the 2FA requirement for certain forms.

### POC

#### Reference
- http://packetstormsecurity.com/files/162256/Discourse-2.7.0-2FA-Bypass.html
- https://github.com/Mesh3l911/Disource

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/Mesh3l911/CVE-2021-3138
- https://github.com/NaInSec/CVE-PoC-in-GitHub
- https://github.com/SYRTI/POC_to_review
- https://github.com/WhooAmii/POC_to_review
- https://github.com/k0mi-tg/CVE-POC
- https://github.com/manas3c/CVE-POC
- https://github.com/nomi-sec/PoC-in-GitHub
- https://github.com/soosmile/POC
- https://github.com/trhacknon/Pocingit
- https://github.com/whoforget/CVE-POC
- https://github.com/youwizard/CVE-POC
- https://github.com/zecool/cve