Show plain JSON{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:st:stm32_mw_usb_host:-:*:*:*:*:*:*:*", "matchCriteriaId": "1FB3C97F-2B84-4BD9-A983-04C5ED72E8F8", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "A buffer overflow vulnerability in stm32_mw_usb_host of STMicroelectronics in versions before 3.5.1 allows an attacker to execute arbitrary code when the descriptor contains more endpoints than USBH_MAX_NUM_ENDPOINTS. The library is typically integrated when using a RTOS such as FreeRTOS on STM32 MCUs."}, {"lang": "es", "value": "Una vulnerabilidad de desbordamiento de b\u00fafer en la funci\u00f3n stm32_mw_usb_host de STMicroelectronics permite a un atacante ejecutar c\u00f3digo arbitrario cuando el descriptor contiene m\u00e1s endpoints que USBH_MAX_NUM_ENDPOINTS. La librer\u00eda es integrada normalmente cuando es usado un RTOS como FreeRTOS en los MCUs STM32"}], "id": "CVE-2021-42553", "lastModified": "2024-11-21T06:27:47.713", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "PHYSICAL", "availabilityImpact": "HIGH", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.9, "impactScore": 5.9, "source": "vulnerability@ncsc.ch", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-10-21T10:15:12.470", "references": [{"source": "vulnerability@ncsc.ch", "url": "https://github.com/STMicroelectronics/stm32_mw_usb_host"}, {"source": "vulnerability@ncsc.ch", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/STMicroelectronics/stm32_mw_usb_host/pull/4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/STMicroelectronics/stm32_mw_usb_host"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/STMicroelectronics/stm32_mw_usb_host/pull/4"}], "sourceIdentifier": "vulnerability@ncsc.ch", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-120"}], "source": "nvd@nist.gov", "type": "Primary"}]}