{
    "id": "CVE-2001-0500",
    "published": "2001-07-21 04:00:00",
    "last_modified": "2026-06-16 21:54:25",
    "cvss_score": "10.0",
    "cvss_severity": "HIGH",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
    "cwe": null,
    "description": "Buffer overflow in ISAPI extension (idq.dll) in Index Server 2.0 and Indexing Service 2000 in IIS 6.0 beta and earlier allows remote attackers to execute arbitrary commands via a long argument to Internet Data Administration (.ida) and Internet Data Query (.idq) files such as default.ida, as commonly exploited by Code Red.",
    "epss_score": "0.96671",
    "epss_percentile": "0.99883",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:13:55",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "microsoft",
            "product": "index_server"
        },
        {
            "vendor": "microsoft",
            "product": "indexing_service"
        },
        {
            "vendor": "microsoft",
            "product": "internet_information_server"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "16472",
            "title": "Microsoft IIS 5.0 - IDQ Path Overflow (MS01-033) (Metasploit)",
            "date": "2010-06-15",
            "url": "https://www.exploit-db.com/exploits/16472"
        },
        {
            "source": "exploit-db",
            "ref_id": "20931",
            "title": "Microsoft Index Server 2.0 / Indexing Service (Windows 2000) - ISAPI Extension Buffer Overflow (2)",
            "date": "2001-06-21",
            "url": "https://www.exploit-db.com/exploits/20931"
        },
        {
            "source": "exploit-db",
            "ref_id": "20930",
            "title": "Microsoft Index Server 2.0 / Indexing Service (Windows 2000) - ISAPI Extension Buffer Overflow (PoC)",
            "date": "2001-06-18",
            "url": "https://www.exploit-db.com/exploits/20930"
        },
        {
            "source": "exploit-db",
            "ref_id": "20932",
            "title": "Microsoft Index Server 2.0 / Indexing Service (Windows 2000) - ISAPI Extension Buffer Overflow (3)",
            "date": "2001-06-18",
            "url": "https://www.exploit-db.com/exploits/20932"
        },
        {
            "source": "exploit-db",
            "ref_id": "20933",
            "title": "Microsoft Index Server 2.0 / Indexing Service (Windows 2000) - ISAPI Extension Buffer Overflow (4)",
            "date": "2001-06-18",
            "url": "https://www.exploit-db.com/exploits/20933"
        }
    ],
    "refs_list": [
        "http://www.cert.org/advisories/CA-2001-13.html",
        "http://www.ciac.org/ciac/bulletins/l-098.shtml",
        "http://www.iss.net/security_center/static/6705.php",
        "http://www.securityfocus.com/archive/1/191873",
        "http://www.securityfocus.com/bid/2880",
        "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-033",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A197",
        "http://www.cert.org/advisories/CA-2001-13.html",
        "http://www.ciac.org/ciac/bulletins/l-098.shtml",
        "http://www.iss.net/security_center/static/6705.php",
        "http://www.securityfocus.com/archive/1/191873",
        "http://www.securityfocus.com/bid/2880",
        "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2001/ms01-033",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A197"
    ]
}