CVE-2022-37240: Altn Security Gateway For Email Servers

Critical severity, CVSS 9.8. EPSS: 1.4% chance of exploitation in the next 30 days.

MDaemon Technologies SecurityGateway for Email Servers 8.5.2 is vulnerable to HTTP Response splitting via the format parameter.

Affected products

• Altn Security Gateway For Email Servers: version 8.5.2 only

Published 2022-08-25. Last modified 2026-06-17.