{"id":"CVE-2002-0072","aliases":["EUVD-2002-0072","GHSA-84f6-4j88-6cvc"],"status":"published","title":"The w3svc.dll ISAPI filter in Front Page Server Extensions and ASP.NET for Internet Information...","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.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.63478,"percentile":0.99216,"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":"http://www.securityfocus.com/bid/4479","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.kb.cert.org/vuls/id/521059","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","US Government Resource"]},{"url":"http://www.iss.net/security_center/static/8800.php","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://marc.info/?l=bugtraq\u0026m=101853851025208\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-018","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"http://www.osvdb.org/3326","tags":["vdb-entry","x_refsource_OSVDB","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-2002-0072"},{"url":"https://github.com/advisories/GHSA-84f6-4j88-6cvc"}],"sources":{"cve":[{"id":"CVE-2002-0072","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.","status":"published","published":"2003-04-02T05:00:00Z","modified":"2024-08-08T02:35:17.469Z","updated_at":"2026-11-02T14:33:55.303902Z"}],"euvd":[{"id":"EUVD-2002-0072","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.","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-84f6-4j88-6cvc","title":"The w3svc.dll ISAPI filter in Front Page Server Extensions and ASP.NET for Internet Information...","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.","status":"published","published":"2022-04-30T18:18:28Z","modified":"2023-01-30T05:05:24Z","updated_at":"2026-11-02T14:47:15.872717Z"}],"nvd":[{"id":"CVE-2002-0072","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.","status":"published","published":"2002-04-22T04:00:00Z","modified":"2026-06-16T21:56:42.753Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:41.313877Z"}]}}