What’s Vulnerable › Vulnerabilities

CVE-2002-0071

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 36.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2002-04-22 · updated 2026-06-16

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

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

References

• http://marc.info/?l=bugtraq&m=101854087828265&w=2
• http://www.atstake.com/research/advisories/2002/a041002-1.txt
• 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/8799.php
• http://www.kb.cert.org/vuls/id/363715
• http://www.osvdb.org/3325
• http://www.securityfocus.com/bid/4474
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-018
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A130
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A45
• http://marc.info/?l=bugtraq&m=101854087828265&w=2

Get alerted when CVE-2002-0071 or the next vulnerability affects your stack