CVE-2020-8988
The Voatz application 2020-01-01 for Android allows only 100 million different PINs, which makes it easier for attackers (after using root access to make a copy of the local database) to discover login credentials and voting history via an offline brute-force approach.
Date published : 2020-02-13
https://blog.voatz.com/?p=1209
https://internetpolicy.mit.edu/wp-content/uploads/2020/02/SecurityAnalysisOfVoatz_Public.pdf