What’s Vulnerable › Vulnerabilities

CVE-2002-0072

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 63.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2002-04-22 · updated 2026-06-16

Description

The w3svc.dll ISAPI filter in Front Page Server Extensions and ASP.NET for Internet Information Server (IIS) 4.0, 5.0, and 5.1 does not properly handle the error condition when a long URL is provided, which allows remote attackers to cause a denial of service (crash) when the URL parser accesses a null pointer.

Affected products

• Microsoft Internet Information Server: 4.0
• Microsoft IIS: 5.0

References

• http://marc.info/?l=bugtraq&m=101853851025208&w=2
• http://www.cert.org/advisories/CA-2002-09.html
• http://www.cisco.com/warp/public/707/Microsoft-IIS-vulnerabilities-MS02-018.shtml
• http://www.iss.net/security_center/static/8800.php
• http://www.kb.cert.org/vuls/id/521059
• http://www.osvdb.org/3326
• http://www.securityfocus.com/bid/4479
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-018
• http://marc.info/?l=bugtraq&m=101853851025208&w=2
• http://www.cert.org/advisories/CA-2002-09.html
• http://www.cisco.com/warp/public/707/Microsoft-IIS-vulnerabilities-MS02-018.shtml
• http://www.iss.net/security_center/static/8800.php

Get alerted when CVE-2002-0072 or the next vulnerability affects your stack