CVE-2006-0173: Hummingbird Enterprise Collaboration

Medium severity, CVSS 4.0. EPSS: 2.3% chance of exploitation in the next 30 days.

Hummingbird Collaboration (aka Hummingbird Enterprise Collaboration) 5.21 and earlier allows remote attackers to misrepresent the type and name of a file via modified doc_ext and id parameters, which might trick a user into downloading dangerous or unexpected content.

Affected products

• Hummingbird Enterprise Collaboration: up to and including 5.21; version 5.2 only

Published 2006-01-11. Last modified 2026-06-16.