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CVE-2021-41166

Permission bypass in Nextcloud Android App

CVSS 4.3 MEDIUMEPSS 0.9%CWE-276
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 `MANAGE_DOCUMENTS` permission may view image thumbnails for images it does not have permission to view. Version 3.17.1 contains a patch. There are no known workarounds.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Productos afectados
nextcloud · security-advisories

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Referencias
https://github.com/nextcloud/android/commit/aa47197109970b8449c4e44601eba36e3481b086https://github.com/nextcloud/android/commit/b6ecf515b38c2d82d32743f27236534f3e03ee0chttps://github.com/nextcloud/security-advisories/security/advisories/GHSA-wrwg-jwpg-r3c4https://hackerone.com/reports/1358597