{
    "id": "CVE-2012-0931",
    "published": "2012-01-28 01:55:01",
    "last_modified": "2026-06-16 23:38:31",
    "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-287",
    "description": "Schneider Electric Modicon Quantum PLC does not perform authentication between the Unity software and PLC, which allows remote attackers to cause a denial of service or possibly execute arbitrary code via unspecified vectors.",
    "epss_score": "0.04822",
    "epss_percentile": "0.91743",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-07 18:17:09",
    "priority": {
        "rank": 3,
        "label": "In your normal cycle",
        "why": "Critical by CVSS (9.8), but no sign of active exploitation."
    },
    "products": [
        {
            "vendor": "schneider-electric",
            "product": "modicon_quantum_plc"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "http://secunia.com/advisories/47723",
        "http://www.securityfocus.com/bid/51605",
        "http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-12-020-03.pdf",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/72586",
        "https://us-cert.cisa.gov/ics/alerts/ICS-ALERT-12-020-03",
        "http://secunia.com/advisories/47723",
        "http://www.securityfocus.com/bid/51605",
        "http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-12-020-03.pdf",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/72586",
        "https://us-cert.cisa.gov/ics/alerts/ICS-ALERT-12-020-03"
    ]
}