CVE-2002-0071
Buffer overflow in the ism.dll ISAPI extension that implements HTR scripting in Internet...
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.
Exploit likelihood
What each source reports
NVD Score used
7.5
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.
- Record
CVE-2002-0071- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2002-0071- Updated
- 2026-11-02
EUVDEUVD-2002-0071 No score
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.
- Record
EUVD-2002-0071- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6xx5-gpjw-m8wc No score
Buffer overflow in the ism.dll ISAPI extension that implements HTR scripting in Internet...
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.
- Record
GHSA-6xx5-gpjw-m8wc- 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-2002-0071 is a high vulnerability (CVSS 7.5) 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 36.6%, the 98th percentile. No source names a fixed version.
References
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A45
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A130
osvdb.org/3325
atstake.com/research/advisories/2002/a041002-1.txt
marc.info?l=bugtraq&m=101854087828265&w=2
securityfocus.com/bid/4474
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kb.cert.org/vuls/id/363715
docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-018
iss.net/security_center/static/8799.php
cert.org/advisories/CA-2002-09.html
cisco.com/warp/public/707/Microsoft-IIS-vulnerabilities-MS02-018.shtml
nvd.nist.gov/vuln/detail/CVE-2002-0071
github.com/advisories/GHSA-6xx5-gpjw-m8wc