CVE-2002-1888: Commonname Toolbar

Low severity, CVSS 2.1. EPSS: 0.3% chance of exploitation in the next 30 days.

CommonName Toolbar 3.5.2.0 sends unqualified domain name requests to the CommonName organization and possibly other web servers for name resolution, which allows those organizations to obtain internal server names.

Affected products

• Commonname Commonname Toolbar: version 3.5.2.0 only

Published 2002-12-31. Last modified 2026-06-16.