{
    "id": "CVE-2016-1247",
    "published": "2016-11-29 17:59:00",
    "last_modified": "2026-06-17 00:41:32",
    "cvss_score": "7.8",
    "cvss_severity": "HIGH",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-59",
    "description": "The nginx package before 1.6.2-5+deb8u3 on Debian jessie, the nginx packages before 1.4.6-1ubuntu3.6 on Ubuntu 14.04 LTS, before 1.10.0-0ubuntu0.16.04.3 on Ubuntu 16.04 LTS, and before 1.10.1-0ubuntu1.1 on Ubuntu 16.10, and the nginx ebuild before 1.10.2-r3 on Gentoo allow local users with access to the web server user account to gain root privileges via a symlink attack on the error log.",
    "epss_score": "0.04863",
    "epss_percentile": "0.91793",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-06 18:17:13",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "canonical",
            "product": "ubuntu_linux"
        },
        {
            "vendor": "debian",
            "product": "debian_linux"
        },
        {
            "vendor": "f5",
            "product": "nginx"
        },
        {
            "vendor": "fedoraproject",
            "product": "fedora"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "40768",
            "title": "Nginx (Debian Based Distros + Gentoo) - 'logrotate' Local Privilege Escalation",
            "date": "2016-11-16",
            "url": "https://www.exploit-db.com/exploits/40768"
        }
    ],
    "refs_list": [
        "http://packetstormsecurity.com/files/139750/Nginx-Debian-Based-Distros-Root-Privilege-Escalation.html",
        "http://seclists.org/fulldisclosure/2016/Nov/78",
        "http://seclists.org/fulldisclosure/2017/Jan/33",
        "http://www.debian.org/security/2016/dsa-3701",
        "http://www.securityfocus.com/archive/1/539796/100/0/threaded",
        "http://www.securityfocus.com/bid/93903",
        "http://www.securitytracker.com/id/1037104",
        "http://www.ubuntu.com/usn/USN-3114-1",
        "https://legalhackers.com/advisories/Nginx-Exploit-Deb-Root-PrivEsc-CVE-2016-1247.html",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBIZEKHBOCKO7FUMCO4X53ENMWU5OYFX/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ESTIADC7BDB6VTH4JAP6C6OCW2CQ4NHP/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3WOO7E5R2HT5XVOIOFPEFALILVOWZUF/",
        "https://security.gentoo.org/glsa/201701-22",
        "https://www.exploit-db.com/exploits/40768/",
        "https://www.youtube.com/watch?v=aTswN1k1fQs",
        "http://packetstormsecurity.com/files/139750/Nginx-Debian-Based-Distros-Root-Privilege-Escalation.html",
        "http://seclists.org/fulldisclosure/2016/Nov/78",
        "http://seclists.org/fulldisclosure/2017/Jan/33",
        "http://www.debian.org/security/2016/dsa-3701",
        "http://www.securityfocus.com/archive/1/539796/100/0/threaded",
        "http://www.securityfocus.com/bid/93903",
        "http://www.securitytracker.com/id/1037104",
        "http://www.ubuntu.com/usn/USN-3114-1",
        "https://legalhackers.com/advisories/Nginx-Exploit-Deb-Root-PrivEsc-CVE-2016-1247.html",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBIZEKHBOCKO7FUMCO4X53ENMWU5OYFX/"
    ]
}