CVE-2002-0072
The w3svc.dll ISAPI filter in Front Page Server Extensions and ASP.NET for Internet Information...
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.
Exploit likelihood
What each source reports
NVD Score used
5.0
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.
- Record
CVE-2002-0072- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2002-0072- Updated
- 2026-11-02
EUVDEUVD-2002-0072 No score
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.
- Record
EUVD-2002-0072- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-84f6-4j88-6cvc No score
The w3svc.dll ISAPI filter in Front Page Server Extensions and ASP.NET for Internet Information...
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.
- Record
GHSA-84f6-4j88-6cvc- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2002-0072 is a medium vulnerability (CVSS 5.0) in Microsoft Internet Information Server, published April 22, 2002. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 63.5%, the 99th percentile. No source names a fixed version.