#VU75399 Improper access control in Nextcloud Enterprise Server and Nextcloud Server - CVE-2023-30539
Published: April 21, 2023
Vulnerability identifier: #VU75399
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-30539
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Nextcloud Enterprise Server
Nextcloud Server
Nextcloud Enterprise Server
Nextcloud Server
Software vendor:
Nextcloud
Nextcloud
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 set up workflows using restricted and invisible system tags.
Remediation
Install updates from vendor's website.