Medium severity4.4NVD Advisory· Published Mar 30, 2023· Updated Jun 17, 2026

CVE-2023-28646

Description

Nextcloud android is an android app for interfacing with the nextcloud home server ecosystem. In versions from 3.7.0 and before 3.24.1 an attacker that has access to the unlocked physical device can bypass the Nextcloud Android Pin/passcode protection via a thirdparty app. This allows to see meta information like sharer, sharees and activity of files. It is recommended that the Nextcloud Android app is upgraded to 3.24.1. There are no known workarounds for this vulnerability.

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Affected products

Nextcloud/Android Appllm-fuzzy
Range: >=3.7.0,<3.24.1
osv-coords
pkg:bitnami/nextcloud
Range: >= 3.7.0, < 3.24.1
nextcloud/security-advisoriesv5
Range: >= 3.7.0, < 3.24.1

Patches

Vulnerability mechanics

References

github.com/nextcloud/android/pull/11242nvdIssue TrackingPatch
github.com/nextcloud/security-advisories/security/advisories/GHSA-c3rf-94h6-vj8vnvdVendor Advisory

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