#VU83361 Authorization bypass through user-controlled key in Nextcloud Enterprise Server and Nextcloud Server - CVE-2023-48304 

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Main Vulnerability Database Vulnerabilities #VU83361

#VU83361 Authorization bypass through user-controlled key in Nextcloud Enterprise Server and Nextcloud Server - CVE-2023-48304

Published: November 21, 2023


Vulnerability identifier: #VU83361
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-48304
CWE-ID: CWE-639
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Nextcloud Enterprise Server
Nextcloud Server
Software vendor:
Nextcloud

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to the authorization bypass through user-controlled key. A remote user can enable and disable the birthday calendar for any user on the same server.


Remediation

Install updates from vendor's website.

External links