CVE-2021-33478

{"id": "CVE-2021-33478", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "[email protected]", "cvssData": {"version": "2.0", "baseScore": 4.6, "accessVector": "LOCAL", "vectorString": "AV:L/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": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.8, "attackVector": "PHYSICAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:P/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": 0.9}]}, "published": "2021-07-22T17:15:09.510", "references": [{"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-brcm-mxc-jul2021-26LqUZUh", "tags": ["Vendor Advisory"], "source": "[email protected]"}, {"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-brcm-mxc-jul2021-26LqUZUh", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-119"}]}], "descriptions": [{"lang": "en", "value": "The TrustZone implementation in certain Broadcom MediaxChange firmware could allow an unauthenticated, physically proximate attacker to achieve arbitrary code execution in the TrustZone Trusted Execution Environment (TEE) of an affected device. This, for example, affects certain Cisco IP Phone and Wireless IP Phone products before 2021-07-07. Exploitation is possible only when the attacker can disassemble the device in order to control the voltage/current for chip pins."}, {"lang": "es", "value": "La implementaci\u00f3n de TrustZone en determinados firmware de Broadcom MediaxChange, podr\u00eda permitir a un atacante no autenticado y f\u00edsicamente pr\u00f3ximo lograr la ejecuci\u00f3n de c\u00f3digo arbitrario en el TrustZone Trusted Execution Environment (TEE) de un dispositivo afectado. Esto, por ejemplo, afecta a determinados productos Cisco IP Phone y Wireless IP Phone anteriores a 2021-07-07. Una explotaci\u00f3n es posible s\u00f3lo cuando el atacante puede desarmar el dispositivo para controlar el voltaje y corriente de los pines del chip"}], "lastModified": "2024-11-21T06:08:54.437", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:cisco:ip_phone_8800_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D455DEFE-21EB-4097-80DE-15E64D693B83", "versionEndExcluding": "14.0\\(1\\)"}, {"criteria": "cpe:2.3:o:cisco:ip_phone_8800_series_with_multiplatform_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EAFADE09-8296-4358-B7B2-3A1DB820F942", "versionEndExcluding": "11.3\\(4\\)"}, {"criteria": "cpe:2.3:o:cisco:ip_phone_8811_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A479FA93-5249-4BEE-8FC1-3C9BBC0F8AB4", "versionEndExcluding": "14.0\\(1\\)"}, {"criteria": "cpe:2.3:o:cisco:ip_phone_8811_with_multiplatform_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "90C80E75-CE8A-48A7-9BA9-6F75DBC8DF30", "versionEndExcluding": "11.3\\(4\\)"}, {"criteria": "cpe:2.3:o:cisco:ip_phone_8841_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "30778C3F-B616-428D-A53F-18C6345B8176", "versionEndExcluding": "14.0\\(1\\)"}, {"criteria": "cpe:2.3:o:cisco:ip_phone_8841_with_multiplatform_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5DD84FA6-82D0-4777-8FB9-9B2B09374B0A", "versionEndExcluding": "11.3\\(4\\)"}, {"criteria": "cpe:2.3:o:cisco:ip_phone_8845_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "42F08B4A-7F01-4145-B410-0E85F1CE19D9", "versionEndExcluding": "14.0\\(1\\)"}, {"criteria": "cpe:2.3:o:cisco:ip_phone_8845_with_multiplatform_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1B8B2074-1F1E-4F03-BEAF-960DDA712592", "versionEndExcluding": "11.3\\(4\\)"}, {"criteria": "cpe:2.3:o:cisco:ip_phone_8851_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A1888843-83FC-4DCC-9247-1128920DE996", "versionEndExcluding": "14.0\\(1\\)"}, {"criteria": "cpe:2.3:o:cisco:ip_phone_8851_with_multiplatform_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "15DBBC70-588B-44F8-815B-A63CD19A892D", "versionEndExcluding": "11.3\\(4\\)"}, {"criteria": "cpe:2.3:o:cisco:ip_phone_8861_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C16E5F2C-ADBB-44A7-AAB3-8AF0CD186624", "versionEndExcluding": "14.0\\(1\\)"}, {"criteria": "cpe:2.3:o:cisco:ip_phone_8861_with_multiplatform_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8AEBD7B8-B8E9-454C-814E-706D7F6A19F4", "versionEndExcluding": "11.3\\(4\\)"}, {"criteria": "cpe:2.3:o:cisco:ip_phone_8865_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3E5DB741-7AEC-4BA7-80BB-BC784F849C48", "versionEndExcluding": "14.0\\(1\\)"}, {"criteria": "cpe:2.3:o:cisco:ip_phone_8865_with_multiplatform_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FC3583AE-9C80-4666-A71A-D2E0ACC0D620", "versionEndExcluding": "11.3\\(4\\)"}, {"criteria": "cpe:2.3:o:cisco:wireless_ip_phone_8821_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "48D89E05-BD89-45E1-9D3C-FCC8B09A3D61", "versionEndExcluding": "11.0\\(6\\)sr1"}], "operator": "OR"}]}], "sourceIdentifier": "[email protected]"}