CVE-2020-13593

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "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)."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-08-31T14:54:16.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "http://www.ti.com/tool/BLE-STACK"}, {"tags": ["x_refsource_MISC"], "url": "https://asset-group.github.io/disclosures/sweyntooth/"}, {"tags": ["x_refsource_MISC"], "url": "https://asset-group.github.io/cves.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2020-13593", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "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)."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "http://www.ti.com/tool/BLE-STACK", "refsource": "MISC", "url": "http://www.ti.com/tool/BLE-STACK"}, {"name": "https://asset-group.github.io/disclosures/sweyntooth/", "refsource": "MISC", "url": "https://asset-group.github.io/disclosures/sweyntooth/"}, {"name": "https://asset-group.github.io/cves.html", "refsource": "MISC", "url": "https://asset-group.github.io/cves.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T12:25:16.374Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://www.ti.com/tool/BLE-STACK"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://asset-group.github.io/disclosures/sweyntooth/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://asset-group.github.io/cves.html"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2020-13593", "datePublished": "2020-08-31T14:54:16.000Z", "dateReserved": "2020-05-26T00:00:00.000Z", "dateUpdated": "2024-08-04T12:25:16.374Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:ti:simplelink-cc2640r2_software_development_kit:*:*:*:*:*:*:*:*", "matchCriteriaId": "926AFD8E-FB10-4FDC-AF8B-52C4A067E342", "versionEndIncluding": "2.2.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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"}], "id": "CVE-2020-13593", "lastModified": "2026-06-17T02:53:25.437", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:A/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 6.5, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/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": "2020-08-31T15:15:10.493", "references": [{"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://www.ti.com/tool/BLE-STACK"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "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": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://www.ti.com/tool/BLE-STACK"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://asset-group.github.io/cves.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://asset-group.github.io/disclosures/sweyntooth/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-347"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}