CVE-2023-28646

App lockout in nextcloud Android app can be bypassed via thirdparty apps

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.

Category

4.4
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.01%
Vendor Advisory github.com
Affected: nextcloud security-advisories
Published at:
Updated at:

References

Link Tags
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-c3rf-94h6-vj8v vendor advisory
https://github.com/nextcloud/android/pull/11242 patch issue tracking

Frequently Asked Questions

What is the severity of CVE-2023-28646?
CVE-2023-28646 has been scored as a medium severity vulnerability.
How to fix CVE-2023-28646?
To fix CVE-2023-28646, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-28646 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-28646 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-28646?
CVE-2023-28646 affects nextcloud security-advisories.
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