CVEs-PoC/2020/CVE-2020-10021.md

### [CVE-2020-10021](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-10021)
![](https://img.shields.io/static/v1?label=Product&message=zephyr&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3E%3D%201.14.1%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-787%20Out-of-bounds%20Write&color=brighgreen)

### Description

Out-of-bounds Write in the USB Mass Storage memoryWrite handler with unaligned Sizes See NCC-ZEP-024, NCC-ZEP-025, NCC-ZEP-026 This issue affects: zephyrproject-rtos zephyr version 1.14.1 and later versions. version 2.1.0 and later versions.

### POC

#### Reference
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-26

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/CBackyx/CVE-Reproduction