CVE-2021-41166
Permission bypass in Nextcloud Android App
5.3
MEDIUM
CVSS 3.1
EPSS 0.95%
Description
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.
How to fix CVE-2021-41166
To remediate CVE-2021-41166, upgrade the affected package to a fixed version below.
- —upgrade to 3.17.1 or later
Is CVE-2021-41166 being exploited?
Low — EPSS is 0.9%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 3.17.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |