Improper access control in Nextcloud Enterprise Server and Nextcloud Server - CVE-2023-48303
Published: November 21, 2023
Vulnerability identifier: #VU83357
CSH Severity: Low
CVSS v4: 2.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-48303
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 administrator can change authentication details of user configured external storage.
Affected software
Nextcloud Enterprise Server
Nextcloud Server
Nextcloud Server
How to mitigate CVE-2023-48303
Install updates from vendor's website.
Nextcloud Enterprise Server - addressed in versions 25.0.11, 26.0.6, 27.1.0
Nextcloud Server - addressed in versions 25.0.11, 26.0.6, 27.1.0
Nextcloud Server - addressed in versions 25.0.11, 26.0.6, 27.1.0