AfterLogic Aurora and WebMail Pro products with 7.7.9 and all lower versions are affected by this vulnerability, simply sending an HTTP GET request to WebDAV EndPoint with built-in “caldav_public_user@localhost” and it’s the predefined password “caldav_public_user” allows the attacker to read all files under the web root.
View the template here CVE-2021-26294.yaml
References:
https://github.com/tzwlhack/Vulnerability