CVEs-PoC/2021/CVE-2021-21959.md

### [CVE-2021-21959](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21959)
![](https://img.shields.io/static/v1?label=Product&message=Sealevel&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=Sealevel%20Systems%2C%20Inc.%20SeaConnect%20370W%20v1.3.34%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-295%3A%20Improper%20Certificate%20Validation&color=brightgreen)

### Description

A misconfiguration exists in the MQTTS functionality of Sealevel Systems, Inc. SeaConnect 370W v1.3.34. This misconfiguration significantly simplifies a man-in-the-middle attack, which directly leads to control of device functionality.

### POC

#### Reference
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1388

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