CVE-2020-27220

{"containers": {"cna": {"affected": [{"product": "Eclipse Hono", "vendor": "The Eclipse Foundation", "versions": [{"status": "affected", "version": "1.4.0 to 1.4.4 inclusive, 1.5.0"}]}], "descriptions": [{"lang": "en", "value": "The Eclipse Hono AMQP and MQTT protocol adapters do not check whether an authenticated gateway device is authorized to receive command & control messages when it has subscribed only to commands for a specific device. The missing check involves verifying that the command target device is configured giving permission for the gateway device to act on its behalf. This means an authenticated device of a certain tenant, notably also a non-gateway device acting like a gateway, may receive command & control messages targeted at a different device of the same tenant without corresponding permissions getting checked."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-862", "description": "CWE-862: Missing Authorization", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-01-14T22:35:15.000Z", "orgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c", "shortName": "eclipse"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://bugs.eclipse.org/bugs/show_bug.cgi?id=569856"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@eclipse.org", "ID": "CVE-2020-27220", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Eclipse Hono", "version": {"version_data": [{"version_value": "1.4.0 to 1.4.4 inclusive, 1.5.0"}]}}]}, "vendor_name": "The Eclipse Foundation"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The Eclipse Hono AMQP and MQTT protocol adapters do not check whether an authenticated gateway device is authorized to receive command & control messages when it has subscribed only to commands for a specific device. The missing check involves verifying that the command target device is configured giving permission for the gateway device to act on its behalf. This means an authenticated device of a certain tenant, notably also a non-gateway device acting like a gateway, may receive command & control messages targeted at a different device of the same tenant without corresponding permissions getting checked."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-862: Missing Authorization"}]}]}, "references": {"reference_data": [{"name": "https://bugs.eclipse.org/bugs/show_bug.cgi?id=569856", "refsource": "CONFIRM", "url": "https://bugs.eclipse.org/bugs/show_bug.cgi?id=569856"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T16:11:36.045Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://bugs.eclipse.org/bugs/show_bug.cgi?id=569856"}]}]}, "cveMetadata": {"assignerOrgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c", "assignerShortName": "eclipse", "cveId": "CVE-2020-27220", "datePublished": "2021-01-14T22:35:15.000Z", "dateReserved": "2020-10-19T00:00:00.000Z", "dateUpdated": "2024-08-04T16:11:36.045Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Eclipse Hono", "vendor": "The Eclipse Foundation", "versions": [{"status": "affected", "version": "1.4.0 to 1.4.4 inclusive, 1.5.0"}]}], "source": "emo@eclipse.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:eclipse:hono:*:*:*:*:*:*:*:*", "matchCriteriaId": "9EA7972C-A4C7-4952-9850-6EFC12D23CEB", "versionEndIncluding": "1.4.4", "versionStartIncluding": "1.4.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:eclipse:hono:1.5.0:*:*:*:*:*:*:*", "matchCriteriaId": "BAD15477-6995-4EC3-B9F7-F6D664BD2134", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Eclipse Hono AMQP and MQTT protocol adapters do not check whether an authenticated gateway device is authorized to receive command & control messages when it has subscribed only to commands for a specific device. The missing check involves verifying that the command target device is configured giving permission for the gateway device to act on its behalf. This means an authenticated device of a certain tenant, notably also a non-gateway device acting like a gateway, may receive command & control messages targeted at a different device of the same tenant without corresponding permissions getting checked."}, {"lang": "es", "value": "Los adaptadores de protocolo AMQP y MQTT de Eclipse Hono no comprueban si un dispositivo gateway autenticado est\u00e1 autorizado para recibir mensajes de comando y control cuando se ha suscrito solo a comandos para un dispositivo espec\u00edfico. La falta de comprobaci\u00f3n implica verificar que el dispositivo de destino del comando est\u00e9 configurado dando permiso para que el dispositivo gateway act\u00fae en su nombre. Esto significa que un dispositivo autenticado de un determinado inquilino, en particular tambi\u00e9n un dispositivo que no sea un gateway que act\u00faa como un gateway, puede recibir mensajes de comando y control direccionados hacia un dispositivo diferente del mismo inquilino sin que sean comprobados los permisos correspondientes"}], "id": "CVE-2020-27220", "lastModified": "2026-06-17T03:08:59.337", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 9.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-01-14T23:15:13.040", "references": [{"source": "emo@eclipse.org", "tags": ["Vendor Advisory"], "url": "https://bugs.eclipse.org/bugs/show_bug.cgi?id=569856"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://bugs.eclipse.org/bugs/show_bug.cgi?id=569856"}], "sourceIdentifier": "emo@eclipse.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-862"}], "source": "emo@eclipse.org", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-862"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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