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CVE-2002-0072
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…
Medium5.0EPSS 63.5%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 63.5% · top 0.8% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (8)
- 4479 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- VU#521059 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- iis-isapi-filter-error-dos(8800) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 20020411 KPMG-2002009: Microsoft IIS W3SVC Denial of Service (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- MS02-018 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- 3326 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- CA-2002-09 (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
- 20020415 Microsoft IIS Vulnerabilities in Cisco Products - MS02-018 (opens in a new tab)vendor-advisoryx_refsource_CISCOx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .