{
    "id": "CVE-2020-25159",
    "published": "2020-11-24 20:15:11",
    "last_modified": "2026-06-17 03:06:28",
    "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": "499ES EtherNet/IP (ENIP) Adaptor Source Code is vulnerable to a stack-based buffer overflow, which may allow an attacker to send a specially crafted packet that may result in a denial-of-service condition or code execution.",
    "epss_score": "0.03026",
    "epss_percentile": "0.87102",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-10 18:17:22",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "rtautomation",
            "product": "499es_ethernet\\/ip_adaptor"
        },
        {
            "vendor": "rtautomation",
            "product": "499es_ethernet\\/ip_adaptor_firmware"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://us-cert.cisa.gov/ics/advisories/icsa-20-324-03",
        "https://us-cert.cisa.gov/ics/advisories/icsa-20-324-03"
    ]
}