{
    "id": "CVE-2021-32976",
    "published": "2022-04-01 23:15:10",
    "last_modified": "2026-06-17 03:53:55",
    "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-121",
    "description": "Five buffer overflows in the built-in web server in Moxa NPort IAW5000A-I/O series firmware version 2.2 or earlier may allow a remote attacker to initiate a denial-of-service attack and execute arbitrary code.",
    "epss_score": "0.02785",
    "epss_percentile": "0.86031",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-12 18:17:26",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "moxa",
            "product": "nport_iaw5150a-12i\\/o"
        },
        {
            "vendor": "moxa",
            "product": "nport_iaw5150a-12i\\/o_firmware"
        },
        {
            "vendor": "moxa",
            "product": "nport_iaw5150a-6i\\/o"
        },
        {
            "vendor": "moxa",
            "product": "nport_iaw5150a-6i\\/o_firmware"
        },
        {
            "vendor": "moxa",
            "product": "nport_iaw5250a-12i\\/o"
        },
        {
            "vendor": "moxa",
            "product": "nport_iaw5250a-12i\\/o_firmware"
        },
        {
            "vendor": "moxa",
            "product": "nport_iaw5250a-6i\\/o"
        },
        {
            "vendor": "moxa",
            "product": "nport_iaw5250a-6i\\/o_firmware"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://www.cisa.gov/uscert/ics/advisories/icsa-21-187-01",
        "https://www.moxa.com/en/support/product-support/security-advisory/nport-iaw5000a-io-serial-device-server-vulnerabilities",
        "https://www.cisa.gov/uscert/ics/advisories/icsa-21-187-01",
        "https://www.moxa.com/en/support/product-support/security-advisory/nport-iaw5000a-io-serial-device-server-vulnerabilities"
    ]
}