{
    "id": "CVE-2016-4071",
    "published": "2016-05-20 11:00:15",
    "last_modified": "2026-06-17 00:46:50",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.0",
    "cvss_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-20",
    "description": "Format string vulnerability in the php_snmp_error function in ext/snmp/snmp.c in PHP before 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5 allows remote attackers to execute arbitrary code via format string specifiers in an SNMP::get call.",
    "epss_score": "0.19455",
    "epss_percentile": "0.97285",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-27 18:17:16",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "apple",
            "product": "mac_os_x"
        },
        {
            "vendor": "php",
            "product": "php"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "39645",
            "title": "PHP 5.5.33/7.0.4 - SNMP Format String",
            "date": "2016-04-01",
            "url": "https://www.exploit-db.com/exploits/39645"
        }
    ],
    "refs_list": [
        "http://lists.apple.com/archives/security-announce/2016/May/msg00004.html",
        "http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00031.html",
        "http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00033.html",
        "http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00056.html",
        "http://rhn.redhat.com/errata/RHSA-2016-2750.html",
        "http://www.debian.org/security/2016/dsa-3560",
        "http://www.openwall.com/lists/oss-security/2016/04/24/1",
        "http://www.php.net/ChangeLog-5.php",
        "http://www.php.net/ChangeLog-7.php",
        "http://www.securityfocus.com/bid/85800",
        "http://www.ubuntu.com/usn/USN-2952-1",
        "http://www.ubuntu.com/usn/USN-2952-2",
        "https://bugs.php.net/bug.php?id=71704",
        "https://git.php.net/?p=php-src.git%3Ba=commit%3Bh=6e25966544fb1d2f3d7596e060ce9c9269bbdcf8",
        "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731",
        "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149",
        "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722",
        "https://security.gentoo.org/glsa/201611-22",
        "https://support.apple.com/HT206567",
        "https://www.exploit-db.com/exploits/39645/",
        "http://lists.apple.com/archives/security-announce/2016/May/msg00004.html",
        "http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00031.html",
        "http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00033.html",
        "http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00056.html",
        "http://rhn.redhat.com/errata/RHSA-2016-2750.html"
    ]
}