### [CVE-2021-45490](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45490) ![](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 The client applications in 3CX on Windows, the 3CX app for iOS, and the 3CX application for Android through 2022-03-17 lack SSL certificate validation. ### POC #### Reference - https://packetstormsecurity.com/files/166376/3CX-Client-Missing-TLS-Validation.html #### Github - https://github.com/ARPSyndicate/cvemon