{
    "id": "CVE-2020-10638",
    "published": "2020-05-08 12:15:11",
    "last_modified": "2026-06-17 02:48:08",
    "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-122",
    "description": "Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0. Multiple heap-based buffer overflow vulnerabilities exist caused by a lack of proper validation of the length of user-supplied data, which may allow remote code execution.",
    "epss_score": "0.07059",
    "epss_percentile": "0.94022",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-05 18:17:21",
    "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.us-cert.gov/ics/advisories/icsa-20-128-01",
        "https://www.zerodayinitiative.com/advisories/ZDI-20-593/",
        "https://www.zerodayinitiative.com/advisories/ZDI-20-599/",
        "https://www.zerodayinitiative.com/advisories/ZDI-20-600/",
        "https://www.zerodayinitiative.com/advisories/ZDI-20-603/",
        "https://www.zerodayinitiative.com/advisories/ZDI-20-616/",
        "https://www.zerodayinitiative.com/advisories/ZDI-20-621/",
        "https://www.us-cert.gov/ics/advisories/icsa-20-128-01",
        "https://www.zerodayinitiative.com/advisories/ZDI-20-593/",
        "https://www.zerodayinitiative.com/advisories/ZDI-20-599/",
        "https://www.zerodayinitiative.com/advisories/ZDI-20-600/",
        "https://www.zerodayinitiative.com/advisories/ZDI-20-603/",
        "https://www.zerodayinitiative.com/advisories/ZDI-20-616/",
        "https://www.zerodayinitiative.com/advisories/ZDI-20-621/"
    ]
}