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.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Exposure_notifications | Apple | * | 1.5 (including) |
| Exposure_notifications | * | 1.5 (including) |