cve/2021/CVE-2021-25344.md

### [CVE-2021-25344](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25344)
![](https://img.shields.io/static/v1?label=Product&message=Samsung%20Mobile%20Devices&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=Q(10.0)%2C%20R(11.0)%3C%20SMR%20Mar-2021%20Release%201%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Exposure%20of%20Sensitive%20Information%20to%20an%20Unauthorized%20Actor&color=brighgreen)

### Description

Missing permission check in knox_custom service prior to SMR Mar-2021 Release 1 allows attackers to gain access to device's serial number without permission.

### POC

#### Reference
- https://security.samsungmobile.com/securityUpdate.smsb

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