In onCreate of GrantCredentialsPermissionActivity.java, there is a possible way to convince the user to grant an app access to an account due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation. Product: Android; Versions: Android-8.1, Android-9, Android-10, Android-11, Android-8.0; Android ID: A-169763814.

References

• https://nvd.nist.gov/vuln/detail/CVE-2021-0315
• https://source.android.com/security/bulletin/2021-01-01