Violation of Secure Design Principles in Nextcloud Enterprise Server and Nextcloud Server - CVE-2023-28833
Published: April 4, 2023
Vulnerability identifier: #VU74347
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-2023-28833
CWE-ID: CWE-657
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to compromise the target system.
The vulnerability exists due to violation of secure design principles. A remote administrator has ability to control the filename when uploading a logo or favicon in the theming settings.
Affected software
Nextcloud Enterprise Server
Nextcloud Server
Nextcloud Server
How to mitigate CVE-2023-28833
Install updates from vendor's website.
Nextcloud Enterprise Server - addressed in versions 23.0.14, 24.0.10, 25.0.4
Nextcloud Server - addressed in versions 24.0.10, 25.0.4
Nextcloud Server - addressed in versions 24.0.10, 25.0.4