cve/2019/CVE-2019-20790.md

### [CVE-2019-20790](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20790)
![](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

OpenDMARC through 1.3.2 and 1.4.x, when used with pypolicyd-spf 2.0.2, allows attacks that bypass SPF and DMARC authentication in situations where the HELO field is inconsistent with the MAIL FROM field.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/Mr-Anonymous002/espoofer
- https://github.com/Teutades/Espoofer
- https://github.com/anjhz0318/SpamTester
- https://github.com/chenjj/espoofer
- https://github.com/merlinepedra/ESPOOFER
- https://github.com/prajwal0909/es
- https://github.com/prashantvermaofficial/Email-Spoofing-Testing