CVE-2020-10070

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

In the Zephyr Project MQTT code, improper bounds checking can result in memory corruption and possibly remote code execution. NCC-ZEP-031 This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-120 CWE-190

Affected software

Vendor	Product	Versions
zephyrproject-rtos	zephyr	>= 2.2.0, < unspecified

References

https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10070Vendor Advisory
https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/0b39cbf3c01d7feec9d0dd7cc7e0e374b6113542Patch, Third Party Advisory
https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessmentThird Party Advisory
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-85Third Party Advisory
https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10070Vendor Advisory
https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/0b39cbf3c01d7feec9d0dd7cc7e0e374b6113542Patch, Third Party Advisory
https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessmentThird Party Advisory
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-85Third Party Advisory

Timeline

Published: Jun 5, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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