CVE-2000-0304: Microsoft Internet Information Server

Medium severity, CVSS 5.0. EPSS: 29.1% chance of exploitation in the next 30 days.

Microsoft IIS 4.0 and 5.0 with the IISADMPWD virtual directory installed allows a remote attacker to cause a denial of service via a malformed request to the inetinfo.exe program, aka the "Undelimited .HTR Request" vulnerability.

Affected products

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

Published 2000-05-10. Last modified 2026-06-16.