### [CVE-2021-1920](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1920)
![](https://img.shields.io/static/v1?label=Product&message=Snapdragon%20Auto%2C%20Snapdragon%20Compute%2C%20Snapdragon%20Connectivity%2C%20Snapdragon%20Consumer%20IOT%2C%20Snapdragon%20Industrial%20IOT%2C%20Snapdragon%20IoT%2C%20Snapdragon%20Voice%20%26%20Music%2C%20Snapdragon%20Wearables&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Integer%20Underflow%20in%20Data%20Modem&color=brighgreen)

### Description

Integer underflow can occur due to improper handling of incoming RTCP packets in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Voice & Music, Snapdragon Wearables

### POC

#### Reference
- https://www.qualcomm.com/company/product-security/bulletins/august-2021-bulletin

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