vuln-cve/data/2026/2xxx/CVE-2026-2539.json

{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-2539",
        "assignerOrgId": "c15abc07-96a9-4d11-a503-5d621bfe42ba",
        "state": "PUBLISHED",
        "assignerShortName": "ASRG",
        "dateReserved": "2026-02-15T10:49:21.601Z",
        "datePublished": "2026-02-15T10:58:38.397Z",
        "dateUpdated": "2026-02-17T17:07:03.354Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "defaultStatus": "affected",
                    "modules": [
                        "RF Communication Module"
                    ],
                    "platforms": [
                        "Hardware"
                    ],
                    "product": "Car Alarm System KE700",
                    "vendor": "Micca Auto Electronics Co., Ltd.",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "KE700"
                        },
                        {
                            "status": "unknown",
                            "version": "KE700+"
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "type": "finder",
                    "value": "Danilo Erazo"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "<p>The RF communication protocol in the Micca KE700 car alarm system does not encrypt its data frames. An attacker with a radio interception tool (e.g., SDR) can capture the random number and counters&nbsp;transmitted in cleartext, which is sensitive information required for authentication.</p>"
                        }
                    ],
                    "value": "The RF communication protocol in the Micca KE700 car alarm system does not encrypt its data frames. An attacker with a radio interception tool (e.g., SDR) can capture the random number and counters transmitted in cleartext, which is sensitive information required for authentication."
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-37",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-37: Retrieve Embedded Sensitive Data"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "Automatable": "NO",
                        "Recovery": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "attackVector": "ADJACENT",
                        "baseScore": 5.7,
                        "baseSeverity": "MEDIUM",
                        "exploitMaturity": "PROOF_OF_CONCEPT",
                        "privilegesRequired": "NONE",
                        "providerUrgency": "NOT_DEFINED",
                        "subAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "LOW",
                        "subIntegrityImpact": "NONE",
                        "userInteraction": "NONE",
                        "valueDensity": "DIFFUSE",
                        "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N/E:P/AU:N/V:D/RE:H",
                        "version": "4.0",
                        "vulnAvailabilityImpact": "NONE",
                        "vulnConfidentialityImpact": "HIGH",
                        "vulnIntegrityImpact": "NONE",
                        "vulnerabilityResponseEffort": "HIGH"
                    },
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-319",
                            "description": "CWE-319: Cleartext Transmission of Sensitive Information",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "c15abc07-96a9-4d11-a503-5d621bfe42ba",
                "shortName": "ASRG",
                "dateUpdated": "2026-02-15T10:58:38.397Z"
            },
            "references": [
                {
                    "tags": [
                        "third-party-advisory"
                    ],
                    "url": "https://asrg.io/security-advisories/cve-2026-2539-micca-ke700-cleartext-transmission-of-key-fob-id/"
                }
            ],
            "solutions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "<ul><li><b>Implement encryption</b>: The entire transmission frame must be encrypted using a standard, proven symmetric algorithm (e.g., AES-128).&nbsp;</li>\n<li><b>Authenticate the frame</b>: The encrypted payload should include a Message Authentication Code (MAC) to prevent tampering or spoofing.</li>\n</ul>"
                        }
                    ],
                    "value": "*  Implement encryption: The entire transmission frame must be encrypted using a standard, proven symmetric algorithm (e.g., AES-128). \n\n  *  Authenticate the frame: The encrypted payload should include a Message Authentication Code (MAC) to prevent tampering or spoofing."
                }
            ],
            "source": {
                "discovery": "EXTERNAL"
            },
            "title": "Micca KE700 Cleartext transmission of key fob ID",
            "x_generator": {
                "engine": "Vulnogram 0.5.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-02-17T16:42:19.132639Z",
                                "id": "CVE-2026-2539",
                                "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": "2026-02-17T17:07:03.354Z"
                }
            }
        ]
    }
}