{
    "id": "CVE-2016-6210",
    "published": "2017-02-13 17:59:00",
    "last_modified": "2026-06-17 00:50:38",
    "cvss_score": "5.9",
    "cvss_severity": "MEDIUM",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
    "cwe": "CWE-200",
    "description": "sshd in OpenSSH before 7.3, when SHA256 or SHA512 are used for user password hashing, uses BLOWFISH hashing on a static password when the username does not exist, which allows remote attackers to enumerate users by leveraging the timing difference between responses when a large password is provided.",
    "epss_score": "0.88944",
    "epss_percentile": "0.99775",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:20:59",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "openbsd",
            "product": "openssh"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "40136",
            "title": "OpenSSH 7.2p2 - Username Enumeration",
            "date": "2016-07-20",
            "url": "https://www.exploit-db.com/exploits/40136"
        },
        {
            "source": "exploit-db",
            "ref_id": "40113",
            "title": "OpenSSHd 7.2p2 - Username Enumeration",
            "date": "2016-07-18",
            "url": "https://www.exploit-db.com/exploits/40113"
        }
    ],
    "refs_list": [
        "http://seclists.org/fulldisclosure/2016/Jul/51",
        "http://www.debian.org/security/2016/dsa-3626",
        "http://www.securityfocus.com/bid/91812",
        "http://www.securitytracker.com/id/1036319",
        "https://access.redhat.com/errata/RHSA-2017:2029",
        "https://access.redhat.com/errata/RHSA-2017:2563",
        "https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf",
        "https://security.gentoo.org/glsa/201612-18",
        "https://security.netapp.com/advisory/ntap-20190206-0001/",
        "https://www.exploit-db.com/exploits/40113/",
        "https://www.exploit-db.com/exploits/40136/",
        "https://www.openssh.com/txt/release-7.3",
        "http://seclists.org/fulldisclosure/2016/Jul/51",
        "http://www.debian.org/security/2016/dsa-3626",
        "http://www.securityfocus.com/bid/91812",
        "http://www.securitytracker.com/id/1036319",
        "https://access.redhat.com/errata/RHSA-2017:2029",
        "https://access.redhat.com/errata/RHSA-2017:2563",
        "https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf",
        "https://security.gentoo.org/glsa/201612-18",
        "https://security.netapp.com/advisory/ntap-20190206-0001/",
        "https://www.exploit-db.com/exploits/40113/",
        "https://www.exploit-db.com/exploits/40136/",
        "https://www.openssh.com/txt/release-7.3"
    ]
}