{
    "id": "CVE-2017-6027",
    "published": "2017-05-19 03:29:00",
    "last_modified": "2026-06-17 01:21:39",
    "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-434",
    "description": "An Arbitrary File Upload issue was discovered in 3S-Smart Software Solutions GmbH CODESYS Web Server. The following versions of CODESYS Web Server, part of the CODESYS WebVisu web browser visualization software, are affected: CODESYS Web Server Versions 2.3 and prior. A specially crafted web server request may allow the upload of arbitrary files (with a dangerous type) to the CODESYS Web Server without authorization which may allow remote code execution.",
    "epss_score": "0.02633",
    "epss_percentile": "0.85164",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-13 18:17:17",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "codesys",
            "product": "web_server"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "http://www.securityfocus.com/bid/97174",
        "https://ics-cert.us-cert.gov/advisories/ICSA-17-087-02",
        "http://www.securityfocus.com/bid/97174",
        "https://ics-cert.us-cert.gov/advisories/ICSA-17-087-02"
    ]
}