CVE-2005-2857: Softstack Free Smtp Server

High severity, CVSS 7.5. EPSS: 2.6% chance of exploitation in the next 30 days.

Free SMTP Server 2.2 allows remote attackers to use the server as an open mail relay (spam proxy).

Affected products

• Softstack Free Smtp Server: version 2.2 only

Published 2005-09-08. Last modified 2026-06-16.