Improper access control in Nextcloud Server and Nextcloud Enterprise Server - CVE-2022-41970

 

Improper access control in Nextcloud Server and Nextcloud Enterprise Server - CVE-2022-41970

Published: December 1, 2022


Vulnerability identifier: #VU69802
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-41970
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Nextcloud
Affected software:
Nextcloud Server
Nextcloud Enterprise Server

Detailed vulnerability description

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

The vulnerability exists due to improper access restrictions. A remote user can bypass implemented security restrictions and download images through preview images.


How to mitigate CVE-2022-41970

Install updates from vendor's website.

Sources