{
    "id": "CVE-2018-8840",
    "published": "2018-04-18 20:29:00",
    "last_modified": "2026-06-17 02:05:29",
    "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-121",
    "description": "A remote attacker could send a carefully crafted packet in InduSoft Web Studio v8.1 and prior versions, and/or InTouch Machine Edition 2017 v8.1 and prior versions during a tag, alarm, or event related action such as read and write, which may allow remote code execution.",
    "epss_score": "0.08628",
    "epss_percentile": "0.94955",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-05 18:17:19",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "indusoft",
            "product": "web_studio"
        },
        {
            "vendor": "industrial-software",
            "product": "intouch_machine_edition_2017"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "http://software.schneider-electric.com/pdf/security-bulletin/lfsec00000125/",
        "http://www.securityfocus.com/bid/103949",
        "https://ics-cert.us-cert.gov/advisories/ICSA-18-107-01",
        "https://www.tenable.com/security/research/tra-2018-07",
        "http://software.schneider-electric.com/pdf/security-bulletin/lfsec00000125/",
        "http://www.securityfocus.com/bid/103949",
        "https://ics-cert.us-cert.gov/advisories/ICSA-18-107-01",
        "https://www.tenable.com/security/research/tra-2018-07"
    ]
}