CVEs-PoC/2021/CVE-2021-25473.md

### [CVE-2021-25473](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25473)
![](https://img.shields.io/static/v1?label=Product&message=Samsung%20Mobile%20Devices&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=R(11.0)%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-755%20Improper%20Handling%20of%20Exceptional%20Conditions&color=brightgreen)

### Description

Assuming a shell privilege is gained, an improper exception handling for multi_sim_bar_hide_by_meadia_full value in SystemUI prior to SMR Oct-2021 Release 1 allows an attacker to cause a permanent denial of service in user device before factory reset.

### POC

#### Reference
- https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10

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