{ "id": "CVE-2020-13594", "sourceIdentifier": "cve@mitre.org", "published": "2020-08-31T15:15:10.633", "lastModified": "2020-09-08T21:07:00.197", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "The Bluetooth Low Energy (BLE) controller implementation in Espressif ESP-IDF 4.2 and earlier (for ESP32 devices) does not properly restrict the channel map field of the connection request packet on reception, allowing attackers in radio range to cause a denial of service (crash) via a crafted packet." }, { "lang": "es", "value": "La implementaci\u00f3n del controlador Bluetooth Low Energy (BLE) en Espressif ESP-IDF versiones 4.2 y anteriores (para dispositivos ESP32) no restringe apropiadamente el campo channel map del paquete de petici\u00f3n de conexi\u00f3n en la recepci\u00f3n, permitiendo a unos atacantes en el radio de alcance causar una denegaci\u00f3n de servicio (bloqueo) por medio de un paquete dise\u00f1ado" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 2.8, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:P", "accessVector": "ADJACENT_NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 3.3 }, "baseSeverity": "LOW", "exploitabilityScore": 6.5, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-20" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:espressif:esp-idf:*:*:*:*:*:*:*:*", "versionEndIncluding": "4.2", "matchCriteriaId": "1C54B320-683C-4645-86DC-65CE4FA1EAB4" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:espressif:esp32:-:*:*:*:*:*:*:*", "matchCriteriaId": "D1024B06-380B-4116-B7F9-A21A03534B0C" } ] } ] } ], "references": [ { "url": "https://asset-group.github.io/cves.html", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://asset-group.github.io/disclosures/sweyntooth/", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://github.com/espressif/esp32-bt-lib", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] } ] }