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vuln-nvd/data/2021/CVE-2021-3835.json
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{"affected":[{"affectedData":[{"product":"zephyr","vendor":"zephyrproject-rtos","versions":[{"lessThan":"unspecified","status":"affected","version":"v2.6.0","versionType":"custom"}]}],"source":"vulnerabilities@zephyrproject.org"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*","matchCriteriaId":"C4101DF8-A911-4CC1-88DE-2849E124F2E3","versionEndExcluding":"2.7.1","versionStartIncluding":"2.6.0","vulnerable":true},{"criteria":"cpe:2.3:o:zephyrproject:zephyr:3.0.0:rc1:*:*:*:*:*:*","matchCriteriaId":"9319FBA9-6F49-47C2-A11A-4F1819533BE8","vulnerable":true},{"criteria":"cpe:2.3:o:zephyrproject:zephyr:3.0.0:rc2:*:*:*:*:*:*","matchCriteriaId":"55F9ED37-365C-481F-A90F-DE3AF55A44B7","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"Buffer overflow in usb device class. Zephyr versions >= v2.6.0 contain Heap-based Buffer Overflow (CWE-122). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-fm6v-8625-99jf"},{"lang":"es","value":"Un desbordamiento de búfer en la clase de dispositivo usb. Zephyr versiones posteriores a v2.6.0 incluyéndola, contienen un desbordamiento del búfer en la región Heap de la memoria (CWE-122). Para más información, consulte https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-fm6v-8625-99jf"}],"id":"CVE-2021-3835","lastModified":"2026-06-17T04:05:51.807","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"LOW","accessVector":"ADJACENT_NETWORK","authentication":"NONE","availabilityImpact":"PARTIAL","baseScore":5.8,"confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","vectorString":"AV:A/AC:L/Au:N/C:P/I:P/A:P","version":"2.0"},"exploitabilityScore":6.5,"impactScore":6.4,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"HIGH","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":8.2,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:H","version":"3.1"},"exploitabilityScore":1.6,"impactScore":6.0,"source":"vulnerabilities@zephyrproject.org","type":"Secondary"},{"cvssData":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":2.8,"impactScore":5.9,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2022-02-07T22:15:08.360","references":[{"source":"vulnerabilities@zephyrproject.org","tags":["Exploit","Third Party Advisory"],"url":"http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-fm6v-8625-99jf"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory"],"url":"http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-fm6v-8625-99jf"}],"sourceIdentifier":"vulnerabilities@zephyrproject.org","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-122"}],"source":"vulnerabilities@zephyrproject.org","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-787"}],"source":"nvd@nist.gov","type":"Primary"}]}