cve/2024/CVE-2024-20021.md

### [CVE-2024-20021](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-20021)
![](https://img.shields.io/static/v1?label=Product&message=MT6768%2C%20MT6781%2C%20MT6785%2C%20MT6833%2C%20MT6853%2C%20MT6873%2C%20MT6877%2C%20MT6885%2C%20MT6893%2C%20MT8168%2C%20MT8183%2C%20MT8188%2C%20MT8188T%2C%20MT8195%2C%20MT8195Z%2C%20MT8321%2C%20MT8362A%2C%20MT8365%2C%20MT8385%2C%20MT8666%2C%20MT8666A%2C%20MT8666B%2C%20MT8667%2C%20MT8673%2C%20MT8675%2C%20MT8675%2C%20MT8676%2C%20MT8678%2C%20MT8765%2C%20MT8766%2C%20MT8766Z%2C%20MT8768%2C%20MT8768A%2C%20MT8768B%2C%20MT8768T%2C%20MT8768Z%2C%20MT8781%2C%20MT8781%2C%20MT8786%2C%20MT8788%2C%20MT8788T%2C%20MT8788%2C%20MT8788X%2C%20MT8788Z%2C%20MT8792%2C%20MT8795T%2C%20MT8796%2C%20MT8798&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%20Android%2012.0%2C%2013.0%2C%2014.0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-269%20Improper%20Privilege%20Management&color=brighgreen)

### Description

In atf spm, there is a possible way to remap physical memory to virtual memory due to a logic error. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS08584568; Issue ID: MSV-1249.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/fkie-cad/nvd-json-data-feeds
- https://github.com/quarkslab/samsung-bootchain-poc