{"cve":"CVE-2002-1973","nvd":{"published":"2002-12-31T05:00:00.000","modified":"2026-06-16T22:00:24.340","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://archives.neohapsis.com/archives/bugtraq/2002-07/0082.html","http://archives.neohapsis.com/archives/bugtraq/2002-07/0135.html","http://archives.neohapsis.com/archives/bugtraq/2002-07/0144.html","http://archives.neohapsis.com/archives/bugtraq/2002-07/0145.html","http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3B216562"],"products":["microsoft:foundation_class_library","working_resources_inc.:badblue"],"source":"nvd","synced_at":"2026-10-19T19:35:54.859949650+00:00"},"epss":{"cve":"CVE-2002-1973","score":0.40046,"percentile":0.98631,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}