{
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    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2019-25651",
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2026-03-26T20:24:49.635Z",
        "datePublished": "2026-03-27T21:16:30.611Z",
        "dateUpdated": "2026-05-25T23:41:08.799Z"
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                "dateUpdated": "2026-05-25T23:41:08.799Z"
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            "datePublic": "2019-05-15T00:00:00.000Z",
            "title": "Ubiquiti UniFi Devices Use of AES-CBC Allows Key Recovery and Unauthorized Device Control",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Ubiquiti UniFi Network Controller prior to 5.10.12 (excluding 5.6.42), UAP FW prior to 4.0.6, UAP-AC, UAP-AC v2, and UAP-AC Outdoor FW prior to 3.8.17, USW FW prior to 4.0.6, USG FW prior to 4.4.34 uses AES-CBC encryption for device-to-controller communication, which contains cryptographic weaknesses that allow attackers to recover encryption keys from captured traffic. Attackers with adjacent network access can capture sufficient encrypted traffic and exploit AES-CBC mode vulnerabilities to derive the encryption keys, enabling unauthorized control and management of network devices."
                }
            ],
            "affected": [
                {
                    "vendor": "Ubiquiti",
                    "product": "UniFi Network Controller",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "versionType": "semver",
                            "lessThan": "5.6.42"
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                        {
                            "status": "affected",
                            "version": "5.6.43",
                            "versionType": "semver",
                            "lessThan": "5.10.12"
                        }
                    ],
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                            "status": "affected",
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                    "product": "UniFi UAP-AC Firmware",
                    "versions": [
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                            "status": "affected",
                            "version": "0",
                            "versionType": "semver",
                            "lessThan": "3.8.17"
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                    ],
                    "defaultStatus": "unaffected"
                },
                {
                    "vendor": "Ubiquiti",
                    "product": "UniFi USW Firmware",
                    "versions": [
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                            "status": "affected",
                            "version": "0",
                            "versionType": "semver",
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                },
                {
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                    "product": "UniFi USG Firmware",
                    "versions": [
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                            "status": "affected",
                            "version": "0",
                            "versionType": "semver",
                            "lessThan": "4.4.34"
                        }
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            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-327",
                            "description": "CWE-327 Use of a Broken or Risky Cryptographic Algorithm",
                            "type": "CWE"
                        }
                    ]
                }
            ],
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                {
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
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                    ],
                    "cvssV4_0": {
                        "attackVector": "ADJACENT",
                        "attackComplexity": "HIGH",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "HIGH",
                        "subConfidentialityImpact": "HIGH",
                        "vulnIntegrityImpact": "HIGH",
                        "subIntegrityImpact": "HIGH",
                        "vulnAvailabilityImpact": "HIGH",
                        "subAvailabilityImpact": "HIGH",
                        "Safety": "NOT_DEFINED",
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "valueDensity": "NOT_DEFINED",
                        "vulnerabilityResponseEffort": "NOT_DEFINED",
                        "providerUrgency": "NOT_DEFINED",
                        "version": "4.0",
                        "baseSeverity": "CRITICAL",
                        "baseScore": 9,
                        "vectorString": "CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H"
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                    "cvssV3_1": {
                        "attackVector": "ADJACENT_NETWORK",
                        "attackComplexity": "HIGH",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "CHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "availabilityImpact": "HIGH",
                        "version": "3.1",
                        "baseSeverity": "HIGH",
                        "baseScore": 8.3,
                        "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H"
                    }
                }
            ],
            "references": [
                {
                    "url": "https://community.ui.com/releases/Security-Advisory-Bulletin-004-004/462e561b-9efd-4c23-bfa7-53d59cc64ecb",
                    "tags": [
                        "vendor-advisory"
                    ]
                },
                {
                    "url": "https://www.vulncheck.com/advisories/ubiquiti-unifi-devices-use-of-aes-cbc-allows-key-recovery-and-unauthorized-device-control",
                    "tags": [
                        "third-party-advisory"
                    ]
                }
            ],
            "x_generator": {
                "engine": "vulncheck"
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        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-03-30T17:51:04.700943Z",
                                "id": "CVE-2019-25651",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-03-30T17:55:00.222Z"
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}