CVE-2005-2923: Ipswitch Imail Server

Medium severity, CVSS 4.0. EPSS: 10.8% chance of exploitation in the next 30 days.

The IMAP server in IMail Server 8.20 in Ipswitch Collaboration Suite (ICS) before 2.02 allows remote attackers to cause a denial of service (crash) via a long argument to the LIST command, which causes IMail Server to reference invalid memory.

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.