{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "state": "PUBLISHED",
        "cveId": "CVE-2021-4228",
        "assignerOrgId": "bec8025f-a851-46e5-b3a3-058e6b0aa23c",
        "assignerShortName": "Nozomi",
        "dateUpdated": "2025-05-05T20:28:17.148Z",
        "dateReserved": "2022-05-13T00:00:00.000Z",
        "datePublished": "2022-10-24T00:00:00.000Z"
    },
    "containers": {
        "cna": {
            "title": "Hard-coded TLS Certificate",
            "providerMetadata": {
                "orgId": "bec8025f-a851-46e5-b3a3-058e6b0aa23c",
                "shortName": "Nozomi",
                "dateUpdated": "2022-12-01T00:00:00.000Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Use of hard-coded TLS certificate by default allows an attacker to perform Man-in-the-Middle (MitM) attacks even in the presence of the HTTPS connection. This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.00.0."
                }
            ],
            "affected": [
                {
                    "vendor": "Lanner Inc",
                    "product": "IAC-AST2500A",
                    "versions": [
                        {
                            "version": "1.00.0",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://www.nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1/"
                },
                {
                    "url": "https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-4228/"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Andrea Palanca of Nozomi Networks found this bug during a security research activity."
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L",
                        "attackVector": "NETWORK",
                        "attackComplexity": "HIGH",
                        "privilegesRequired": "NONE",
                        "userInteraction": "REQUIRED",
                        "scope": "CHANGED",
                        "confidentialityImpact": "LOW",
                        "integrityImpact": "LOW",
                        "availabilityImpact": "LOW",
                        "baseScore": 5.8,
                        "baseSeverity": "MEDIUM"
                    }
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "CWE",
                            "lang": "en",
                            "description": "CWE-321 Use of Hard-coded Cryptographic Key",
                            "cweId": "CWE-321"
                        }
                    ]
                }
            ],
            "x_generator": {
                "engine": "Vulnogram 0.0.9"
            },
            "source": {
                "advisory": "https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-4228/",
                "discovery": "EXTERNAL"
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-03T17:23:08.901Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://www.nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1/",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-4228/",
                        "tags": [
                            "x_transferred"
                        ]
                    }
                ]
            },
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2025-05-05T20:28:02.446069Z",
                                "id": "CVE-2021-4228",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2025-05-05T20:28:17.148Z"
                }
            }
        ]
    }
}