{"id":"CVE-2002-1973","aliases":["EUVD-2002-1952","GHSA-qwpw-w2v5-h4cw"],"status":"published","title":"Buffer overflow in CHttpServer::OnParseError in the ISAPI extension (Isapi.cpp) when built using...","description":"Buffer overflow in CHttpServer::OnParseError in the ISAPI extension (Isapi.cpp) when built using Microsoft Foundation Class (MFC) static libraries in Visual C++ 5.0, and 6.0 before SP3, as used in multiple products including BadBlue, allows remote attackers to cause a denial of service (access violation and crash) and possibly execute arbitrary code via a long query string that causes a parsing error.","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":0.40046,"percentile":0.9864,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2002-12-31T05:00:00Z","modified":"2026-06-16T22:00:24Z","exploits":[{"source":"exploitdb","id":"EDB-21601","title":"Microsoft Foundation Class Library 7.0 - ISAPI Buffer Overflow","type":"remote","platform":"windows","date":"2002-07-08","verified":true,"url":"https://www.exploit-db.com/exploits/21601"}],"products":[{"vendor":"microsoft","product":"foundation_class_library"},{"vendor":"working_resources_inc.","product":"badblue"}],"references":[{"url":"http://archives.neohapsis.com/archives/bugtraq/2002-07/0082.html","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3B216562","tags":["vendor-advisory","x_refsource_MSKB","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/9529","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.securityfocus.com/bid/5188","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit"]},{"url":"http://archives.neohapsis.com/archives/bugtraq/2002-07/0145.html","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Patch"]},{"url":"http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3B310649","tags":["vendor-advisory","x_refsource_MSKB","x_transferred"]},{"url":"http://archives.neohapsis.com/archives/bugtraq/2002-07/0135.html","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Exploit"]},{"url":"http://archives.neohapsis.com/archives/bugtraq/2002-07/0144.html","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2002-1973"},{"url":"http://support.microsoft.com/default.aspx?scid=kb;[LN];216562"},{"url":"http://support.microsoft.com/default.aspx?scid=kb;[LN];310649"},{"url":"https://github.com/advisories/GHSA-qwpw-w2v5-h4cw"}],"sources":{"cve":[{"id":"CVE-2002-1973","description":"Buffer overflow in CHttpServer::OnParseError in the ISAPI extension (Isapi.cpp) when built using Microsoft Foundation Class (MFC) static libraries in Visual C++ 5.0, and 6.0 before SP3, as used in multiple products including BadBlue, allows remote attackers to cause a denial of service (access violation and crash) and possibly execute arbitrary code via a long query string that causes a parsing error.","status":"published","published":"2005-06-28T04:00:00Z","modified":"2024-08-08T03:43:33.593Z","updated_at":"2026-11-02T14:33:54.972584Z"}],"euvd":[{"id":"EUVD-2002-1952","description":"Buffer overflow in CHttpServer::OnParseError in the ISAPI extension (Isapi.cpp) when built using Microsoft Foundation Class (MFC) static libraries in Visual C++ 5.0, and 6.0 before SP3, as used in multiple products including BadBlue, allows remote attackers to cause a denial of service (access violation and crash) and possibly execute arbitrary code via a long query string that causes a parsing error.","status":"published","published":"2005-06-28T04:00:00Z","modified":"2024-08-08T03:43:33Z","updated_at":"2026-11-03T01:14:54.410056Z"}],"ghsa":[{"id":"GHSA-qwpw-w2v5-h4cw","title":"Buffer overflow in CHttpServer::OnParseError in the ISAPI extension (Isapi.cpp) when built using...","description":"Buffer overflow in CHttpServer::OnParseError in the ISAPI extension (Isapi.cpp) when built using Microsoft Foundation Class (MFC) static libraries in Visual C++ 5.0, and 6.0 before SP3, as used in multiple products including BadBlue, allows remote attackers to cause a denial of service (access violation and crash) and possibly execute arbitrary code via a long query string that causes a parsing error.","status":"published","published":"2022-04-30T18:22:17Z","modified":"2025-04-03T03:51:59Z","updated_at":"2026-11-02T15:00:37.983289Z"}],"nvd":[{"id":"CVE-2002-1973","description":"Buffer overflow in CHttpServer::OnParseError in the ISAPI extension (Isapi.cpp) when built using Microsoft Foundation Class (MFC) static libraries in Visual C++ 5.0, and 6.0 before SP3, as used in multiple products including BadBlue, allows remote attackers to cause a denial of service (access violation and crash) and possibly execute arbitrary code via a long query string that causes a parsing error.","status":"published","published":"2002-12-31T05:00:00Z","modified":"2026-06-16T22:00:24.34Z","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":"2026-11-02T14:00:43.787686Z"}]}}