{"id":"CVE-2002-0071","aliases":["EUVD-2002-0071","GHSA-6xx5-gpjw-m8wc"],"status":"published","title":"Buffer overflow in the ism.dll ISAPI extension that implements HTR scripting in Internet...","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.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.36618,"percentile":0.98506,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2002-04-22T04:00:00Z","modified":"2026-06-16T21:56:42Z","products":[{"vendor":"microsoft","product":"internet_information_server"},{"vendor":"microsoft","product":"internet_information_services"}],"references":[{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A45","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A130","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://www.osvdb.org/3325","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://www.atstake.com/research/advisories/2002/a041002-1.txt","tags":["vendor-advisory","x_refsource_ATSTAKE","x_transferred"]},{"url":"http://marc.info/?l=bugtraq\u0026m=101854087828265\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.securityfocus.com/bid/4474","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.kb.cert.org/vuls/id/363715","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","US Government Resource"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-018","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"http://www.iss.net/security_center/static/8799.php","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.cert.org/advisories/CA-2002-09.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","US Government Resource"]},{"url":"http://www.cisco.com/warp/public/707/Microsoft-IIS-vulnerabilities-MS02-018.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2002-0071"},{"url":"https://github.com/advisories/GHSA-6xx5-gpjw-m8wc"}],"sources":{"cve":[{"id":"CVE-2002-0071","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.","status":"published","published":"2003-04-02T05:00:00Z","modified":"2024-08-08T02:35:17.436Z","updated_at":"2026-11-02T14:33:55.303902Z"}],"euvd":[{"id":"EUVD-2002-0071","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.","status":"published","published":"2003-04-02T05:00:00Z","modified":"2024-08-08T02:35:17Z","updated_at":"2026-11-03T01:15:02.530408Z"}],"ghsa":[{"id":"GHSA-6xx5-gpjw-m8wc","title":"Buffer overflow in the ism.dll ISAPI extension that implements HTR scripting in Internet...","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.","status":"published","published":"2022-04-30T18:18:28Z","modified":"2023-01-30T05:05:56Z","updated_at":"2026-11-02T14:47:22.953418Z"}],"nvd":[{"id":"CVE-2002-0071","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.","status":"published","published":"2002-04-22T04:00:00Z","modified":"2026-06-16T21:56:42.61Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:00:41.313877Z"}]}}