CVE-2021-42553

{"id": "CVE-2021-42553", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "vulnerability@ncsc.ch", "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}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/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": 3.9}]}, "published": "2022-10-21T10:15:12.470", "references": [{"url": "https://github.com/STMicroelectronics/stm32_mw_usb_host", "source": "vulnerability@ncsc.ch"}, {"url": "https://github.com/STMicroelectronics/stm32_mw_usb_host/pull/4", "tags": ["Patch", "Third Party Advisory"], "source": "vulnerability@ncsc.ch"}, {"url": "https://github.com/STMicroelectronics/stm32_mw_usb_host", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/STMicroelectronics/stm32_mw_usb_host/pull/4", "tags": ["Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-120"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-120"}]}], "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"}], "lastModified": "2025-05-07T21:15:53.440", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:st:stm32_mw_usb_host:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1FB3C97F-2B84-4BD9-A983-04C5ED72E8F8"}], "operator": "OR"}]}], "sourceIdentifier": "vulnerability@ncsc.ch"}