{
    "id": "CVE-2012-3571",
    "published": "2012-07-25 10:42:35",
    "last_modified": "2026-06-16 23:43:29",
    "cvss_score": "6.1",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:A/AC:L/Au:N/C:N/I:N/A:C",
    "cwe": "CWE-119",
    "description": "ISC DHCP 4.1.2 through 4.2.4 and 4.1-ESV before 4.1-ESV-R6 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a malformed client identifier.",
    "epss_score": "0.12985",
    "epss_percentile": "0.96198",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-27 18:17:11",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "canonical",
            "product": "ubuntu_linux"
        },
        {
            "vendor": "debian",
            "product": "debian_linux"
        },
        {
            "vendor": "isc",
            "product": "dhcp"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "37538",
            "title": "ISC DHCP 4.x - Multiple Denial of Service Vulnerabilities",
            "date": "2012-07-25",
            "url": "https://www.exploit-db.com/exploits/37538"
        }
    ],
    "refs_list": [
        "http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761",
        "http://lists.opensuse.org/opensuse-updates/2012-08/msg00030.html",
        "http://rhn.redhat.com/errata/RHSA-2012-1140.html",
        "http://rhn.redhat.com/errata/RHSA-2012-1141.html",
        "http://security.gentoo.org/glsa/glsa-201301-06.xml",
        "http://www.debian.org/security/2012/dsa-2516",
        "http://www.debian.org/security/2012/dsa-2519",
        "http://www.mandriva.com/security/advisories?name=MDVSA-2012:115",
        "http://www.mandriva.com/security/advisories?name=MDVSA-2012:116",
        "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html",
        "http://www.securityfocus.com/bid/54665",
        "http://www.ubuntu.com/usn/USN-1519-1",
        "https://kb.isc.org/article/AA-00712",
        "http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761",
        "http://lists.opensuse.org/opensuse-updates/2012-08/msg00030.html",
        "http://rhn.redhat.com/errata/RHSA-2012-1140.html",
        "http://rhn.redhat.com/errata/RHSA-2012-1141.html",
        "http://security.gentoo.org/glsa/glsa-201301-06.xml",
        "http://www.debian.org/security/2012/dsa-2516",
        "http://www.debian.org/security/2012/dsa-2519",
        "http://www.mandriva.com/security/advisories?name=MDVSA-2012:115",
        "http://www.mandriva.com/security/advisories?name=MDVSA-2012:116",
        "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html",
        "http://www.securityfocus.com/bid/54665",
        "http://www.ubuntu.com/usn/USN-1519-1"
    ]
}