cve/2021/CVE-2021-31987.md

### [CVE-2021-31987](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31987)
![](https://img.shields.io/static/v1?label=Product&message=AXIS%20OS&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Improper%20input%20validation&color=brighgreen)

### Description

A user controlled parameter related to SMTP test functionality is not correctly validated making it possible to bypass blocked network recipients.

### POC

#### Reference
- https://www.axis.com/files/tech_notes/CVE-2021-31987.pdf

#### Github
No PoCs found on GitHub currently.