CVE-2000-0071: Microsoft Internet Information Server

Medium severity, CVSS 5.0. EPSS: 28.1% chance of exploitation in the next 30 days.

IIS 4.0 allows a remote attacker to obtain the real pathname of the document root by requesting non-existent files with .ida or .idq extensions.

Affected products

• Microsoft Internet Information Server: version 3.0 only; version 4.0 only
• Microsoft Internet Information Services: version 5.0 only

Published 2000-01-11. Last modified 2026-06-16.