{"cve":"CVE-2020-10062","nvd":{"published":"2020-06-05T18:15:12.573","modified":"2026-06-17T02:47:16.833","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-193"],"references":["https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10062","https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/11b7a37d9a0b438270421b224221d91929843de4","https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessment","https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-84","https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10062"],"products":["zephyrproject:zephyr"],"source":"nvd","synced_at":"2026-10-19T21:05:42.039641217+00:00"},"epss":{"cve":"CVE-2020-10062","score":0.02879,"percentile":0.86847,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}