# CVE-2002-0071

## Summary

- **CVE ID:** CVE-2002-0071
- **Severity:** UNKNOWN
- **CVSS Score:** 2.78
- **CWE:** N/A
- **Published:** Apr 2, 2003
- **Last Modified:** Mar 16, 2026

## Description

Buffer overflow in the ism.dll ISAPI extension that implements HTR scripting in Internet Information Server (IIS) 4.0 and 5.0 allows attackers to cause a denial of service or execute arbitrary code via HTR requests with long variable names.

## Affected Products

- n/a — n/a (n/a)

## References

- [CNA](https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A45)
- [CNA](https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A130)
- [CNA](http://www.osvdb.org/3325)
- [CNA](http://www.atstake.com/research/advisories/2002/a041002-1.txt)
- [CNA](http://marc.info/?l=bugtraq&m=101854087828265&w=2)
- [CNA](http://www.securityfocus.com/bid/4474)
- [CNA](http://www.kb.cert.org/vuls/id/363715)
- [CNA](https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-018)
- [CNA](http://www.iss.net/security_center/static/8799.php)
- [CNA](http://www.cert.org/advisories/CA-2002-09.html)
- [CNA](http://www.cisco.com/warp/public/707/Microsoft-IIS-vulnerabilities-MS02-018.shtml)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 69.49%
- **EPSS Percentile:** 98.6

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._