cve/2020/CVE-2020-24721.md

### [CVE-2020-24721](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-24721)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
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### Description

An issue was discovered in the GAEN (aka Google/Apple Exposure Notifications) protocol through 2020-09-29, as used in COVID-19 applications on Android and iOS. It allows a user to be put in a position where he or she can be coerced into proving or disproving an exposure notification, because of the persistent state of a private framework.

### POC

#### Reference
- http://packetstormsecurity.com/files/159419/Corona-Exposure-Notifications-API-Data-Leakage.html
- http://packetstormsecurity.com/files/159419/Corona-Exposure-Notifications-API-Data-Leakage.html

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