{
    "id": "CVE-2017-16743",
    "published": "2018-01-12 20:29:00",
    "last_modified": "2026-06-17 01:09:44",
    "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-285",
    "description": "An Improper Authorization issue was discovered in PHOENIX CONTACT FL SWITCH 3xxx, 4xxx, and 48xxx Series products running firmware Version 1.0 to 1.32. A remote unauthenticated attacker may be able to craft special HTTP requests allowing an attacker to bypass web-service authentication allowing the attacker to obtain administrative privileges on the device.",
    "epss_score": "0.03111",
    "epss_percentile": "0.87432",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-10 18:17:15",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_3004t-fx"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_3004t-fx_firmware"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_3004t-fx_st"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_3004t-fx_st_firmware"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_3005"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_3005_firmware"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_3005t"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_3005t_firmware"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_3006t-2fx"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_3006t-2fx_firmware"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_3006t-2fx_sm"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_3006t-2fx_sm_firmware"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_3006t-2fx_st"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_3006t-2fx_st_firmware"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_3008"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_3008_firmware"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_3008t"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_3008t_firmware"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_3012e-2sfx"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_3012e-2sfx_firmware"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_3016"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_3016_firmware"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_3016e"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_3016e_firmware"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_3016t"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_3016t_firmware"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_4008t-2gt-3fx_sm"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_4008t-2gt-3fx_sm_firmware"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_4008t-2gt-4fx_sm"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_4008t-2gt-4fx_sm_firmware"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_4008t-2sfp"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_4008t-2sfp_firmware"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_4808e-16fx_lc-4gc"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_4808e-16fx_lc-4gc_firmware"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_4808e-16fx_sm_st-4gc"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_4808e-16fx_sm_st-4gc_firmware"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_4808e-16fx_sm-4gc"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_4808e-16fx_sm-4gc_firmware"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_4808e-16fx_st-4gc"
        },
        {
            "vendor": "phoenixcontact",
            "product": "fl_switch_4808e-16fx_st-4gc_firmware"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://cert.vde.com/en-us/advisories/vde-2017-006",
        "https://ics-cert.us-cert.gov/advisories/ICSA-18-011-03",
        "https://cert.vde.com/en-us/advisories/vde-2017-006",
        "https://ics-cert.us-cert.gov/advisories/ICSA-18-011-03"
    ]
}