{
    "id": "CVE-2016-2403",
    "published": "2017-02-07 17:59:00",
    "last_modified": "2026-06-17 00:44:00",
    "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-287",
    "description": "Symfony before 2.8.6 and 3.x before 3.0.6 allows remote attackers to bypass authentication by logging in with an empty password and valid username, which triggers an unauthenticated bind.",
    "epss_score": "0.02925",
    "epss_percentile": "0.86692",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-11 18:17:13",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "sensiolabs",
            "product": "symfony"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "http://symfony.com/blog/cve-2016-2403-unauthorized-access-on-a-misconfigured-ldap-server-when-using-an-empty-password",
        "http://www.securityfocus.com/bid/96137",
        "https://www.debian.org/security/2018/dsa-4262",
        "http://symfony.com/blog/cve-2016-2403-unauthorized-access-on-a-misconfigured-ldap-server-when-using-an-empty-password",
        "http://www.securityfocus.com/bid/96137",
        "https://www.debian.org/security/2018/dsa-4262"
    ]
}