CVE-2021-41166 Permission bypass in Nextcloud Android App

The Nextcloud Android app is the Android client for Nextcloud, a self-hosted productivity platform. An issue in versions prior to 3.17.1 may lead to sensitive information disclosure. An unauthorized app that does not have the otherwise required MANAGEDOCUMENTS permission may view image thumbnails...

CVE-2021-41166

CVE-2021-41166 affects the Nextcloud Android app. An unauthorized app lacking the MANAGE_DOCUMENTS permission may view image thumbnails for images it should not access. The issue is fixed in version 3.17.1; there are no known workarounds. Users and administrators should upgrade to 3.17.1 or later...