CVE-2020-13593

{"id": "CVE-2020-13593", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.8, "accessVector": "ADJACENT_NETWORK", "vectorString": "AV:A/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 6.5, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "published": "2020-08-31T15:15:10.493", "references": [{"url": "http://www.ti.com/tool/BLE-STACK", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://asset-group.github.io/cves.html", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://asset-group.github.io/disclosures/sweyntooth/", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.ti.com/tool/BLE-STACK", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://asset-group.github.io/cves.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://asset-group.github.io/disclosures/sweyntooth/", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-347"}]}], "descriptions": [{"lang": "en", "value": "The Bluetooth Low Energy Secure Manager Protocol (SMP) implementation in Texas Instruments SimpleLink SIMPLELINK-CC2640R2-SDK through 2.2.3 allows the Diffie-Hellman check during the Secure Connection pairing to be skipped if the Link Layer encryption setup is performed earlier. An attacker in radio range can achieve arbitrary read/write access to protected GATT service data, cause a denial of service, or possibly control a device's function by establishing an encrypted session with an unauthenticated Long Term Key (LTK)."}, {"lang": "es", "value": "La implementaci\u00f3n del Bluetooth Low Energy Secure Manager Protocol (SMP) en Texas Instruments SimpleLink SIMPLELINK-CC2640R2-SDK versiones hasta 2.2.3, permite omitir una comprobaci\u00f3n de Diffie-Hellman durante el emparejamiento de la Conexi\u00f3n Segura si la configuraci\u00f3n de cifrado de la capa de enlace es llevada a cabo antes. Un atacante dentro del radio de alcance puede lograr acceso arbitrario de lectura y escritura a datos de servicio protegidos por GATT, causar una denegaci\u00f3n de servicio o posiblemente controlar la funci\u00f3n de un dispositivo al establecer una sesi\u00f3n cifrada con una Long Term Key (LTK) no autenticada"}], "lastModified": "2024-11-21T05:01:34.473", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:ti:simplelink-cc2640r2_software_development_kit:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "926AFD8E-FB10-4FDC-AF8B-52C4A067E342", "versionEndIncluding": "2.2.3"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}