{
    "id": "CVE-2002-1973",
    "published": "2002-12-31 05:00:00",
    "last_modified": "2026-06-16 22:00:24",
    "cvss_score": "7.5",
    "cvss_severity": "HIGH",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
    "cwe": null,
    "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.",
    "epss_score": "0.40046",
    "epss_percentile": "0.98586",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-28 18:17:03",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "microsoft",
            "product": "foundation_class_library"
        },
        {
            "vendor": "working_resources_inc.",
            "product": "badblue"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "21601",
            "title": "Microsoft Foundation Class Library 7.0 - ISAPI Buffer Overflow",
            "date": "2002-07-08",
            "url": "https://www.exploit-db.com/exploits/21601"
        }
    ],
    "refs_list": [
        "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",
        "http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3B310649",
        "http://www.securityfocus.com/bid/5188",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/9529",
        "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",
        "http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3B310649",
        "http://www.securityfocus.com/bid/5188",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/9529"
    ]
}