CVEs-PoC/2021/CVE-2021-1956.md

### [CVE-2021-1956](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1956)
![](https://img.shields.io/static/v1?label=Product&message=Snapdragon%20Auto%2C%20Snapdragon%20Compute%2C%20Snapdragon%20Connectivity%2C%20Snapdragon%20Consumer%20Electronics%20Connectivity%2C%20Snapdragon%20Industrial%20IOT%2C%20Snapdragon%20Mobile%2C%20Snapdragon%20Voice%20%26%20Music&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=AQT1000%2C%20AR8035%2C%20CSRB31024%2C%20QCA6175A%2C%20QCA6390%2C%20QCA6391%2C%20QCA6420%2C%20QCA6430%2C%20QCA6564A%2C%20QCA6564AU%2C%20QCA6574%2C%20QCA6574A%2C%20QCA6574AU%2C%20QCA6584AU%2C%20QCA6595%2C%20QCA6595AU%2C%20QCA6696%2C%20QCA8337%2C%20QCN7605%2C%20QCN7606%2C%20QCX315%2C%20SA415M%2C%20SA515M%2C%20SA6145P%2C%20SA6150P%2C%20SA6155%2C%20SA6155P%2C%20SA8145P%2C%20SA8150P%2C%20SA8155%2C%20SA8155P%2C%20SA8195P%2C%20SC8180X%2BSDX55%2C%20SD%208C%2C%20SD%208CX%2C%20SDX55%2C%20WCD9340%2C%20WCD9341%2C%20WCD9360%2C%20WCN3998%2C%20WSA8810%2C%20WSA8815%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Improper%20Access%20Control%20in%20Bluetooth&color=brightgreen)

### Description

Improper handling of ASB-U packet with L2CAP channel ID by slave host can lead to interference with piconet in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music

### POC

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

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