CVE-2005-2931: Ipswitch Imail Server

High severity, CVSS 7.5. EPSS: 4.7% chance of exploitation in the next 30 days.

Format string vulnerability in the SMTP service in IMail Server 8.20 in Ipswitch Collaboration Suite (ICS) before 2.02 allows remote attackers to execute arbitrary code via format string specifiers to the (1) EXPN, (2) MAIL, (3) MAIL FROM, and (4) RCPT TO commands.

Affected products

• Ipswitch Imail Server: version 8.20 only
• Ipswitch Ipswitch Collaboration Suite: version 2.0 only; version 2.01 only

Published 2005-12-07. Last modified 2026-06-16.