Alt-N MDaemon Security Gateway through 8.5.0 allows SecurityGateway.dll?view=login XML Injection.
https://www.tinextacyber.com/security-advisory-alt-n-security-gataway-cve-2022-25356/
https://www.swascan.com/security-blog/
https://www.swascan.com/security-advisory-alt-n-security-gateway/
https://www.altn.com/Products/SecurityGateway-Email-Firewall/