Main Vulnerability Database Vulnerabilities #VU74598

Improper access control in Nextcloud Server and Nextcloud Enterprise Server - CVE-2023-28844

Published: April 7, 2023

Vulnerability identifier: #VU74598

CSH Severity: Low

CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-28844

CWE-ID: CWE-284

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote user without download permissions can bypass implemented security restrictions and download older versions of files from the server.

Affected software

Nextcloud Server
Nextcloud Enterprise Server

How to mitigate CVE-2023-28844

Install updates from vendor's website.

Nextcloud Server - addressed in versions 24.0.10, 25.0.4
Nextcloud Enterprise Server - addressed in versions 24.0.10, 25.0.4

External References

Related Security Bulletins