OPNsense through 20.1.5 contains an open redirect vulnerability via the url redirect parameter in the login page, which is not filtered. An attacker can redirect a user to a malicious site and possibly obtain sensitive information, modify data, and/or execute unauthorized operations.
id: CVE-2020-23015
info:
name: OPNsense <=20.1.5 - Open Redirect
author: 0x_Akoko
severity: m
...