{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2021-3966", "assignerOrgId": "e2e69745-5e70-4e92-8431-deb5529a81ad", "assignerShortName": "zephyr", "dateUpdated": "2023-01-11T00:00:00", "dateReserved": "2021-11-16T00:00:00", "datePublished": "2023-01-11T00:00:00"}, "containers": {"cna": {"title": "Usb bluetooth device ACL read cb buffer overflow", "datePublic": "2022-02-16T00:00:00", "providerMetadata": {"orgId": "e2e69745-5e70-4e92-8431-deb5529a81ad", "shortName": "zephyr", "dateUpdated": "2023-01-11T00:00:00"}, "descriptions": [{"lang": "en", "value": "usb device bluetooth class includes a buffer overflow related to implementation of net_buf_add_mem."}], "affected": [{"vendor": "zephyrproject-rtos", "product": "zephyr", "versions": [{"version": "unspecified", "lessThanOrEqual": "v3.0", "status": "affected", "versionType": "custom"}]}], "references": [{"url": "https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-hfxq-3w6x-fv2m"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 9.6, "baseSeverity": "CRITICAL"}}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "Heap-based Buffer Overflow (CWE-122)", "cweId": "CWE-122"}]}], "source": {"defect": ["https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-hfxq-3w6x-fv2m"]}}}}

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