{
    "id": "CVE-2017-12739",
    "published": "2017-11-15 08:29:00",
    "last_modified": "2026-06-17 01:03:52",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.0",
    "cvss_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-1188",
    "description": "An issue was discovered on Siemens SICAM RTUs SM-2556 COM Modules with the firmware variants ENOS00, ERAC00, ETA2, ETLS00, MODi00, and DNPi00. The integrated web server (port 80/tcp) of the affected devices could allow unauthenticated remote attackers to execute arbitrary code on the affected device.",
    "epss_score": "0.05646",
    "epss_percentile": "0.92747",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-06 18:17:15",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "siemens",
            "product": "sm-2556"
        },
        {
            "vendor": "siemens",
            "product": "sm-2556_firmware"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "http://www.securityfocus.com/bid/101884",
        "https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-164516.pdf",
        "http://www.securityfocus.com/bid/101884",
        "https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-164516.pdf"
    ]
}