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Improper check for access to application database (NC-SA-2018-015)

26th July 2019

Risk level: Low

CVSS v3 Base Score: 1.8 (AV:L/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N)

CWE: Improper Access Control (CWE-284)

HackerOne report: 331302


A too permissive check allowed an installed application that contained the Nextcloud client package name to obtain access to the database of the Nextcloud application. At time of disclosure there are no applications with in the Google Play Store that fullfill this requirement.

Affected Software

  • Nextcloud Android < 3.2.0 (CVE-2018-3765)

Action Taken

The error has been fixed.


It is recommended that users upgrade to version 3.2.0.


The Nextcloud team thanks the following people for their research and responsible disclosure of the above advisory:

  • NA - Vulnerability discovery and disclosure.

This advisory is licensed CC BY-SA 4.0.

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