{
    "id": "CVE-2017-7898",
    "published": "2017-06-30 03:29:00",
    "last_modified": "2026-06-17 01:25:25",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-307",
    "description": "An Improper Restriction of Excessive Authentication Attempts issue was discovered in Rockwell Automation Allen-Bradley MicroLogix 1100 programmable-logic controllers 1763-L16AWA, Series A and B, Version 16.00 and prior versions; 1763-L16BBB, Series A and B, Version 16.00 and prior versions; 1763-L16BWA, Series A and B, Version 16.00 and prior versions; and 1763-L16DWD, Series A and B, Version 16.00 and prior versions and Allen-Bradley MicroLogix 1400 programmable logic controllers 1766-L32AWA, Series A and B, Version 16.00 and prior versions; 1766-L32BWA, Series A and B, Version 16.00 and prior versions; 1766-L32BWAA, Series A and B, Version 16.00 and prior versions; 1766-L32BXB, Series A and B, Version 16.00 and prior versions; 1766-L32BXBA, Series A and B, Version 16.00 and prior versions; and 1766-L32AWAA, Series A and B, Version 16.00 and prior versions. There are no penalties for repeatedly entering incorrect passwords.",
    "epss_score": "0.05152",
    "epss_percentile": "0.92205",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-07 18:17:16",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "rockwellautomation",
            "product": "1763-l16awa_series_a"
        },
        {
            "vendor": "rockwellautomation",
            "product": "1763-l16awa_series_b"
        },
        {
            "vendor": "rockwellautomation",
            "product": "1763-l16bbb_series_a"
        },
        {
            "vendor": "rockwellautomation",
            "product": "1763-l16bbb_series_b"
        },
        {
            "vendor": "rockwellautomation",
            "product": "1763-l16bwa_series_a"
        },
        {
            "vendor": "rockwellautomation",
            "product": "1763-l16bwa_series_b"
        },
        {
            "vendor": "rockwellautomation",
            "product": "1763-l16dwd_series_a"
        },
        {
            "vendor": "rockwellautomation",
            "product": "1763-l16dwd_series_b"
        },
        {
            "vendor": "rockwellautomation",
            "product": "1766-l32awa_series_a"
        },
        {
            "vendor": "rockwellautomation",
            "product": "1766-l32awa_series_b"
        },
        {
            "vendor": "rockwellautomation",
            "product": "1766-l32awaa_series_a"
        },
        {
            "vendor": "rockwellautomation",
            "product": "1766-l32awaa_series_b"
        },
        {
            "vendor": "rockwellautomation",
            "product": "1766-l32bwa_series_a"
        },
        {
            "vendor": "rockwellautomation",
            "product": "1766-l32bwa_series_b"
        },
        {
            "vendor": "rockwellautomation",
            "product": "1766-l32bwaa_series_a"
        },
        {
            "vendor": "rockwellautomation",
            "product": "1766-l32bwaa_series_b"
        },
        {
            "vendor": "rockwellautomation",
            "product": "1766-l32bxb_series_a"
        },
        {
            "vendor": "rockwellautomation",
            "product": "1766-l32bxb_series_b"
        },
        {
            "vendor": "rockwellautomation",
            "product": "1766-l32bxba_series_a"
        },
        {
            "vendor": "rockwellautomation",
            "product": "1766-l32bxba_series_b"
        },
        {
            "vendor": "rockwellautomation",
            "product": "ab_micrologix_controller"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "http://www.securitytracker.com/id/1038546",
        "https://ics-cert.us-cert.gov/advisories/ICSA-17-115-04",
        "http://www.securitytracker.com/id/1038546",
        "https://ics-cert.us-cert.gov/advisories/ICSA-17-115-04"
    ]
}