{
    "id": "CVE-2019-9099",
    "published": "2020-03-11 15:15:16",
    "last_modified": "2026-06-17 02:43:03",
    "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-120",
    "description": "An issue was discovered on Moxa MGate MB3170 and MB3270 devices before 4.1, MB3280 and MB3480 devices before 3.1, MB3660 devices before 2.3, and MB3180 devices before 2.1. A Buffer overflow in the built-in web server allows remote attackers to initiate DoS, and probably to execute arbitrary code (issue 1 of 2).",
    "epss_score": "0.04047",
    "epss_percentile": "0.90367",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-08 18:17:23",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "moxa",
            "product": "mb3170"
        },
        {
            "vendor": "moxa",
            "product": "mb3170_firmware"
        },
        {
            "vendor": "moxa",
            "product": "mb3180"
        },
        {
            "vendor": "moxa",
            "product": "mb3180_firmware"
        },
        {
            "vendor": "moxa",
            "product": "mb3270"
        },
        {
            "vendor": "moxa",
            "product": "mb3270_firmware"
        },
        {
            "vendor": "moxa",
            "product": "mb3280"
        },
        {
            "vendor": "moxa",
            "product": "mb3280_firmware"
        },
        {
            "vendor": "moxa",
            "product": "mb3480"
        },
        {
            "vendor": "moxa",
            "product": "mb3480_firmware"
        },
        {
            "vendor": "moxa",
            "product": "mb3660"
        },
        {
            "vendor": "moxa",
            "product": "mb3660_firmware"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://www.moxa.com/en/support/support/security-advisory/mb3710-3180-3270-3280-3480-3660-vulnerabilities",
        "https://www.us-cert.gov/ics/advisories/icsa-20-056-01",
        "https://www.moxa.com/en/support/support/security-advisory/mb3710-3180-3270-3280-3480-3660-vulnerabilities",
        "https://www.us-cert.gov/ics/advisories/icsa-20-056-01"
    ]
}