Nextcloud Android app information disclosure vulnerability (CNVD-2022-18414)

Nextcloud Android app is an Android-based mobile application for accessing Nextcloud servers from the German company Nextcloud. information disclosure in versions of Nextcloud Android app prior to 3.17.1, the vulnerability stems from a network system or product that has a configuration and other errors, an attacker could exploit the vulnerability to view image thumbnails of images they are not authorized to view.