{
    "id": "CVE-2011-1930",
    "published": "2019-11-14 03:15:10",
    "last_modified": "2026-06-16 23:30:24",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": null,
    "description": "In klibc 1.5.20 and 1.5.21, the DHCP options written by ipconfig to /tmp/net-$DEVICE.conf are not properly escaped. This may allow a remote attacker to send a specially crafted DHCP reply which could execute arbitrary code with the privileges of any process which sources DHCP options.",
    "epss_score": "0.20533",
    "epss_percentile": "0.97437",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-27 18:17:10",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "debian",
            "product": "debian_linux"
        },
        {
            "vendor": "klibc_project",
            "product": "klibc"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "35785",
            "title": "klibc 1.5.2 - DHCP Options Processing Remote Shell Command Execution",
            "date": "2011-05-18",
            "url": "https://www.exploit-db.com/exploits/35785"
        }
    ],
    "refs_list": [
        "http://security.gentoo.org/glsa/glsa-201309-21.xml",
        "http://www.openwall.com/lists/oss-security/2012/05/22/12",
        "http://www.securityfocus.com/bid/47924",
        "https://access.redhat.com/security/cve/cve-2011-1930",
        "https://security-tracker.debian.org/tracker/CVE-2011-1930",
        "http://security.gentoo.org/glsa/glsa-201309-21.xml",
        "http://www.openwall.com/lists/oss-security/2012/05/22/12",
        "http://www.securityfocus.com/bid/47924",
        "https://access.redhat.com/security/cve/cve-2011-1930",
        "https://security-tracker.debian.org/tracker/CVE-2011-1930"
    ]
}