CVE-2020-10062

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{"affected": [{"affectedData": [{"product": "zephyr", "vendor": "zephyrproject-rtos", "versions": [{"lessThan": "unspecified", "status": "affected", "version": "2.2.0", "versionType": "custom"}]}], "source": "vulnerabilities@zephyrproject.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*", "matchCriteriaId": "A50EF02E-4F26-4016-9D73-FF596F7EA61B", "versionEndIncluding": "2.2.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An off-by-one error in the Zephyr project MQTT packet length decoder can result in memory corruption and possible remote code execution. NCC-ZEP-031 This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions."}, {"lang": "es", "value": "Un error por un paso (off-by-one) en el decodificador de longitud de paquetes MQTT del proyecto Zephyr puede resultar en una corrupci\u00f3n de la memoria y una potencial ejecuci\u00f3n de c\u00f3digo remota. NCC-ZEP-031 Este problema afecta a: zephyrproject-rtos zephyr versi\u00f3n 2.2.0 y versiones posteriores"}], "id": "CVE-2020-10062", "lastModified": "2026-06-17T02:47:16.833", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.0, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 6.0, "source": "vulnerabilities@zephyrproject.org", "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": "2020-06-05T18:15:12.573", "references": [{"source": "vulnerabilities@zephyrproject.org", "tags": ["Vendor Advisory"], "url": "https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10062"}, {"source": "vulnerabilities@zephyrproject.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/11b7a37d9a0b438270421b224221d91929843de4"}, {"source": "vulnerabilities@zephyrproject.org", "tags": ["Third Party Advisory"], "url": "https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessment"}, {"source": "vulnerabilities@zephyrproject.org", "tags": ["Third Party Advisory"], "url": "https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-84"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10062"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/11b7a37d9a0b438270421b224221d91929843de4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessment"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-84"}], "sourceIdentifier": "vulnerabilities@zephyrproject.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-193"}], "source": "vulnerabilities@zephyrproject.org", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-193"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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