CVE-2005-1249: Ipswitch Collaboration Suite

Medium severity, CVSS 5.0. EPSS: 4.5% chance of exploitation in the next 30 days.

The IMAP daemon (IMAPD32.EXE) in Ipswitch Collaboration Suite (ICS) allows remote attackers to cause a denial of service (CPU consumption) via an LSUB command with a large number of null characters, which causes an infinite loop.

Affected products

• Ipswitch Ipswitch Collaboration Suite: any version

Published 2005-05-25. Last modified 2026-06-16.