{
    "id": "CVE-2010-2156",
    "published": "2010-06-07 17:13:07",
    "last_modified": "2026-06-16 23:20:05",
    "cvss_score": "5.0",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
    "cwe": "CWE-189",
    "description": "ISC DHCP 4.1 before 4.1.1-P1 and 4.0 before 4.0.2-P1 allows remote attackers to cause a denial of service (server exit) via a zero-length client ID.",
    "epss_score": "0.76412",
    "epss_percentile": "0.99525",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:17:07",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "isc",
            "product": "dhcp"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "14185",
            "title": "ISC DHCPD - Denial of Service",
            "date": "2010-07-03",
            "url": "https://www.exploit-db.com/exploits/14185"
        }
    ],
    "refs_list": [
        "http://ftp.isc.org/isc/dhcp/dhcp-4.0.2-P1-RELNOTES",
        "http://ftp.isc.org/isc/dhcp/dhcp-4.1.1-P1-RELNOTES",
        "http://lists.fedoraproject.org/pipermail/package-announce/2010-June/042843.html",
        "http://secunia.com/advisories/40116",
        "http://www.exploit-db.com/exploits/14185",
        "http://www.mandriva.com/security/advisories?name=MDVSA-2010:114",
        "http://www.securityfocus.com/bid/40775",
        "http://www.securitytracker.com/id?1024093",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/59222",
        "http://ftp.isc.org/isc/dhcp/dhcp-4.0.2-P1-RELNOTES",
        "http://ftp.isc.org/isc/dhcp/dhcp-4.1.1-P1-RELNOTES",
        "http://lists.fedoraproject.org/pipermail/package-announce/2010-June/042843.html",
        "http://secunia.com/advisories/40116",
        "http://www.exploit-db.com/exploits/14185",
        "http://www.mandriva.com/security/advisories?name=MDVSA-2010:114",
        "http://www.securityfocus.com/bid/40775",
        "http://www.securitytracker.com/id?1024093",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/59222"
    ]
}