{
    "id": "CVE-2000-0991",
    "published": "2000-12-19 05:00:00",
    "last_modified": "2026-09-23 09:10:01",
    "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 Hilgraeve, Inc. HyperTerminal client on Windows 98, ME, and 2000 allows remote attackers to execute arbitrary commands via a long telnet URL, aka the \"HyperTerminal Buffer Overflow\" vulnerability.",
    "epss_score": "0.09694",
    "epss_percentile": "0.95376",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-03 18:17:03",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "hilgraeve",
            "product": "hyperterminal"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "20307",
            "title": "Hilgraeve HyperTerminal 6.0 - Telnet Buffer Overflow",
            "date": "2000-10-18",
            "url": "https://www.exploit-db.com/exploits/20307"
        }
    ],
    "refs_list": [
        "http://www.securityfocus.com/bid/1815",
        "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-079",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/5387",
        "http://www.securityfocus.com/bid/1815",
        "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-079",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/5387"
    ]
}