CVE-2005-3174: Microsoft Windows 2000

Medium severity, CVSS 4.6. EPSS: 1.2% chance of exploitation in the next 30 days.

Microsoft Windows 2000 before Update Rollup 1 for SP4 allows users to log on to the domain, even when their password has expired, if the fully qualified domain name (FQDN) is 8 characters long.

Affected products

• Microsoft Windows 2000: any version

Published 2005-10-06. Last modified 2026-06-16.