CVEs-PoC/2021/CVE-2021-3155.md

### [CVE-2021-3155](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3155)
![](https://img.shields.io/static/v1?label=Product&message=snapd&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%3D%202.54.2%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-276%20Incorrect%20Default%20Permissions&color=brighgreen)

### Description

snapd 2.54.2 and earlier created ~/snap directories in user home directories without specifying owner-only permissions. This could allow a local attacker to read information that should have been private. Fixed in snapd versions 2.54.3+18.04, 2.54.3+20.04 and 2.54.3+21.10.1

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ARPSyndicate/cvemon