CVE-2023-28646 - CVE House

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Status published Medium CVE-2023-28646

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

4.4 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

nextcloud

View all reports →

Affected Software

security-advisories

Vulnerable Versions:

>= 3.7.0, < 3.24.1

Timeline

Official Publish: March 30th, 2023

Last Modified: February 11th, 2025

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:L

Weaknesses (CWE)

CWE-287 CWE-281

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

T1078 Valid Accounts

T1556 Modify Authentication Process

Credential Access