{
    "id": "CVE-2001-0414",
    "published": "2001-06-18 04:00:00",
    "last_modified": "2026-06-16 21:54:15",
    "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 ntpd ntp daemon 4.0.99k and earlier (aka xntpd and xntp3) allows remote attackers to cause a denial of service and possibly execute arbitrary commands via a long readvar argument.",
    "epss_score": "0.91679",
    "epss_percentile": "0.99813",
    "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": "dave_mills",
            "product": "ntpd"
        },
        {
            "vendor": "dave_mills",
            "product": "xntp3"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "16285",
            "title": "NTP daemon readvar - Remote Buffer Overflow (Metasploit)",
            "date": "2010-08-25",
            "url": "https://www.exploit-db.com/exploits/16285"
        },
        {
            "source": "exploit-db",
            "ref_id": "20727",
            "title": "NTPd - Remote Buffer Overflow",
            "date": "2001-04-04",
            "url": "https://www.exploit-db.com/exploits/20727"
        },
        {
            "source": "exploit-db",
            "ref_id": "9940",
            "title": "NTPd 4.0.99j-k readvar - Remote Buffer Overflow (Metasploit)",
            "date": "2001-04-04",
            "url": "https://www.exploit-db.com/exploits/9940"
        }
    ],
    "refs_list": [
        "ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:31.ntpd.asc",
        "ftp://ftp.netbsd.org/pub/NetBSD/misc/security/advisories/NetBSD-SA2001-004.txt.asc",
        "ftp://ftp.sco.com/SSE/sse073.ltr",
        "ftp://ftp.sco.com/SSE/sse074.ltr",
        "http://archives.neohapsis.com/archives/bugtraq/2001-04/0127.html",
        "http://archives.neohapsis.com/archives/bugtraq/2001-04/0225.html",
        "http://archives.neohapsis.com/archives/bugtraq/2001-04/0314.html",
        "http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000392",
        "http://lists.suse.com/archives/suse-security-announce/2001-Apr/0000.html",
        "http://marc.info/?l=bugtraq&m=98642418618512&w=2",
        "http://marc.info/?l=bugtraq&m=98654963328381&w=2",
        "http://marc.info/?l=bugtraq&m=98659782815613&w=2",
        "http://marc.info/?l=bugtraq&m=98679815917014&w=2",
        "http://marc.info/?l=bugtraq&m=98683952401753&w=2",
        "http://marc.info/?l=bugtraq&m=98684202610470&w=2",
        "http://marc.info/?l=bugtraq&m=98684532921941&w=2",
        "http://www.calderasystems.com/support/security/advisories/CSSA-2001-013.0.txt",
        "http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-036.php3",
        "http://www.osvdb.org/805",
        "http://www.redhat.com/support/errata/RHSA-2001-045.html",
        "http://www.securityfocus.com/bid/2540",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/6321",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A3831",
        "https://www.debian.org/security/2001/dsa-045",
        "ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:31.ntpd.asc"
    ]
}