CVE-2023-28646

Name: CVE-2023-28646
Creator: NVD / NIST
Published: 2023-03-30T19:15:06.767+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2.4/10EPSS 0.23%

Last modified Jun 17, 2026

CVE-2023-28646 is a low-severity vulnerability rated 2.4/10 on the CVSS scale. 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. EPSS estimates a 0.23% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

2.4/10

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

0.23%

13.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Nextcloud	Nextcloud	>= 3.7.0, < 3.24.1

References

https://github.com/nextcloud/android/pull/11242Issue Tracking, Patch
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-c3rf-94h6-vj8vVendor Advisory
https://github.com/nextcloud/android/pull/11242Issue Tracking, Patch
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-c3rf-94h6-vj8vVendor Advisory

Timeline

Published: Mar 30, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-28646?

How severe is CVE-2023-28646?

CVE-2023-28646 has a CVSS score of 2.4/10 (LOW severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.

How do I fix CVE-2023-28646?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-28646?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST