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.
References (4)
Core 4
Core References
Third Party Advisory x_refsource_misc
https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessment
Third Party Advisory x_refsource_misc
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-85
Vendor Advisory x_refsource_misc
https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10070
Patch, Third Party Advisory x_refsource_misc
https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/0b39cbf3c01d7feec9d0dd7cc7e0e374b6113542
Scores
CVSS v3
9.0
EPSS
0.0647
EPSS Percentile
91.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Details
CWE
CWE-190
CWE-120
Status
published
Products (1)
zephyrproject/zephyr
< 2.2.0
Published
Jun 05, 2020
Tracked Since
Feb 18, 2026