{
    "id": "CVE-2014-5074",
    "published": "2014-08-17 23:55:07",
    "last_modified": "2026-06-17 00:10:59",
    "cvss_score": "7.1",
    "cvss_severity": "HIGH",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:M/Au:N/C:N/I:N/A:C",
    "cwe": null,
    "description": "Siemens SIMATIC S7-1500 CPU devices with firmware before 1.6 allow remote attackers to cause a denial of service (device restart and STOP transition) via crafted TCP packets.",
    "epss_score": "0.09696",
    "epss_percentile": "0.95376",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-03 18:17:13",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "siemens",
            "product": "simatic_s7-1500_cpu_firmware"
        },
        {
            "vendor": "siemens",
            "product": "simatic_s7-1511-1_pn_cpu"
        },
        {
            "vendor": "siemens",
            "product": "simatic_s7-1513-1_pn_cpu"
        },
        {
            "vendor": "siemens",
            "product": "simatic_s7-1515-2_pn_cpu"
        },
        {
            "vendor": "siemens",
            "product": "simatic_s7-1516-3_pn\\/dp_cpu"
        },
        {
            "vendor": "siemens",
            "product": "simatic_s7-1516f-3_pn\\/dp_cpu"
        },
        {
            "vendor": "siemens",
            "product": "simatic_s7-1518-4_pn\\/dp_cpu"
        },
        {
            "vendor": "siemens",
            "product": "simatic_s7-1518f-4_pn\\/dp_cpu"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "44693",
            "title": "Siemens SIMATIC S7-1500 CPU - Remote Denial of Service",
            "date": "2018-05-22",
            "url": "https://www.exploit-db.com/exploits/44693"
        }
    ],
    "refs_list": [
        "http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-310688.pdf",
        "https://cert-portal.siemens.com/productcert/pdf/ssa-310688.pdf",
        "https://ics-cert.us-cert.gov/advisories/ICSA-14-226-01",
        "https://www.exploit-db.com/exploits/44693/",
        "http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-310688.pdf",
        "https://cert-portal.siemens.com/productcert/pdf/ssa-310688.pdf",
        "https://ics-cert.us-cert.gov/advisories/ICSA-14-226-01",
        "https://www.exploit-db.com/exploits/44693/"
    ]
}