CVE-2020-10021

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"Out-of-bounds write in USB Mass Storage with unaligned sizes", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "vulnerabilities@zephyrproject.org", "DATE_PUBLIC": "2020-05-01T00:00:00.000Z", "ID": "CVE-2020-10021", "STATE": "PUBLIC", "TITLE": "Out-of-bounds write in USB Mass Storage with unaligned sizes"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "zephyr", "version": {"version_data": [{"version_affected": ">=", "version_value": "1.14.1"}, {"version_affected": ">=", "version_value": "2.1.0"}]}}]}, "vendor_name": "zephyrproject-rtos"}]}}, "credit": [{"lang": "eng", "value": "NCC Group for report"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Out-of-bounds Write in the USB Mass Storage memoryWrite handler with unaligned Sizes See NCC-ZEP-024, NCC-ZEP-025, NCC-ZEP-026 This issue affects: zephyrproject-rtos 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{"affected": [{"affectedData": [{"product": "zephyr", "vendor": "zephyrproject-rtos", "versions": [{"lessThan": "unspecified", "status": "affected", "version": "1.14.1", "versionType": "custom"}, {"lessThan": "unspecified", "status": "affected", "version": "2.1.0", "versionType": "custom"}]}], "source": "vulnerabilities@zephyrproject.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*", "matchCriteriaId": "371789A4-E53B-4E4D-B425-3D74BE61DC02", "versionEndIncluding": "1.14.1", "vulnerable": true}, {"criteria": "cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*", "matchCriteriaId": "0260A81C-55CB-40D0-BEE2-3ACCC1EB6DB4", "versionEndExcluding": "2.2.0", "versionStartIncluding": "2.1.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Out-of-bounds Write in the USB Mass Storage memoryWrite handler with unaligned Sizes See NCC-ZEP-024, NCC-ZEP-025, NCC-ZEP-026 This issue affects: zephyrproject-rtos zephyr version 1.14.1 and later versions. version 2.1.0 and later versions."}, {"lang": "es", "value": "Una Escritura fuera de l\u00edmites en el Almacenamiento Masivo USB en el manejador memoryWrite con Tama\u00f1os no alineados. Consulte NCC-ZEP-024, NCC-ZEP-025, NCC-ZEP-026. Este problema afecta a: zephyrproject-rtos zephyr versi\u00f3n 1.14.1 y versiones posteriores. Versi\u00f3n 2.1.0 y versiones posteriores."}], "id": "CVE-2020-10021", "lastModified": "2026-06-17T02:47:13.090", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.6, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.4, "impactScore": 6.0, "source": "vulnerabilities@zephyrproject.org", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-05-11T23:15:11.380", "references": [{"source": "vulnerabilities@zephyrproject.org", "url": "https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10021"}, {"source": "vulnerabilities@zephyrproject.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/zephyrproject-rtos/zephyr/pull/23240"}, {"source": "vulnerabilities@zephyrproject.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/zephyrproject-rtos/zephyr/pull/23455"}, {"source": "vulnerabilities@zephyrproject.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/zephyrproject-rtos/zephyr/pull/23456"}, {"source": "vulnerabilities@zephyrproject.org", "tags": ["Third Party Advisory"], "url": "https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-26"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10021"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/zephyrproject-rtos/zephyr/pull/23240"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/zephyrproject-rtos/zephyr/pull/23455"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/zephyrproject-rtos/zephyr/pull/23456"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-26"}], "sourceIdentifier": "vulnerabilities@zephyrproject.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "vulnerabilities@zephyrproject.org", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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