### [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