{
    "id": "CVE-2019-3951",
    "published": "2019-12-12 21:15:12",
    "last_modified": "2026-06-17 02:35:56",
    "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": "Advantech WebAccess before 8.4.3 allows unauthenticated remote attackers to execute arbitrary code or cause a denial of service (memory corruption) due to a stack-based buffer overflow when handling IOCTL 70533 RPC messages.",
    "epss_score": "0.03610",
    "epss_percentile": "0.89188",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-09 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": "advantech",
            "product": "webaccess"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://www.tenable.com/security/research/tra-2019-52",
        "https://www.tenable.com/security/research/tra-2019-52"
    ]
}