CVE-2002-0147: Microsoft Internet Information Server

High severity, CVSS 7.5. EPSS: 61.8% chance of exploitation in the next 30 days.

Buffer overflow in the ASP data transfer mechanism in Internet Information Server (IIS) 4.0, 5.0, and 5.1 allows remote attackers to cause a denial of service or execute code, aka "Microsoft-discovered variant of Chunked Encoding buffer overrun."

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.