CVE-2002-0150: Microsoft Internet Information Server

High severity, CVSS 7.5. EPSS: 49.5% chance of exploitation in the next 30 days.

Buffer overflow in Internet Information Server (IIS) 4.0, 5.0, and 5.1 allows remote attackers to spoof the safety check for HTTP headers and cause a denial of service or execute arbitrary code via HTTP header field values.

Affected products

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

Published 2002-04-22. Last modified 2026-06-16.