Main Vulnerability Database Vulnerabilities #VU72577

Improper access control in Nextcloud Server and Nextcloud Enterprise Server - CVE-2023-25821

Published: February 27, 2023

Vulnerability identifier: #VU72577

CSH Severity: Medium

CVSS v4: 5.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-25821

CWE-ID: CWE-284

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to improper access restrictions within download permissions. A remote user can can circumvent secure view for internal shares.

Affected software

Nextcloud Server
Nextcloud Enterprise Server

How to mitigate CVE-2023-25821

Install updates from vendor's website.

Nextcloud Server - addressed in versions 24.0.7, 25.0.1
Nextcloud Enterprise Server - addressed in versions 24.0.7, 25.0.1

External References

Related Security Bulletins