{
    "CVE_data_meta": {
        "ASSIGNER": "cve-coordination@incibe.es",
        "DATE_PUBLIC": "2021-01-28T09:00:00.000Z",
        "ID": "CVE-2021-25909",
        "STATE": "PUBLIC",
        "TITLE": "ZIV AUTOMATION 4CCT Denial of Service vulnerability"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "4CCT-EA6-334126BF",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_name": "3.23.80.27.36371",
                                            "version_value": "3.23.80.27.36371"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "ZIV AUTOMATION"
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Industrial Cybersecurity team of S21Sec, special mention to Aar\u00f3n Flecha Men\u00e9ndez"
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "ZIV Automation 4CCT-EA6-334126BF firmware version 3.23.80.27.36371, allows an unauthenticated, remote attacker to cause a denial of service condition on the device. An attacker could exploit this vulnerability by sending specific packets to the port 7919."
            }
        ]
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-400 Uncontrolled Resource Consumption"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://www.incibe-cert.es/en/early-warning/ics-advisories/4cct-vulnerable-denial-service-attack",
                "refsource": "CONFIRM",
                "url": "https://www.incibe-cert.es/en/early-warning/ics-advisories/4cct-vulnerable-denial-service-attack"
            }
        ]
    },
    "solution": [
        {
            "lang": "eng",
            "value": "Update to firmware version 3.23.80.58.46120"
        }
    ],
    "source": {
        "advisory": "INCIBE-2021-0039",
        "discovery": "EXTERNAL"
    }
}