Description
The shell subsystem contains a buffer overflow, whereby an adversary with physical access to the device is able to cause a memory corruption, resulting in denial of service or possibly code execution within the Zephyr kernel. See NCC-NCC-019 This issue affects: zephyrproject-rtos zephyr version 1.14.0 and later versions. version 2.1.0 and later versions.
References (5)
Core 5
Core References
Third Party Advisory x_refsource_misc
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-29
Patch, Third Party Advisory x_refsource_misc
https://github.com/zephyrproject-rtos/zephyr/pull/23304
Patch, Third Party Advisory x_refsource_misc
https://github.com/zephyrproject-rtos/zephyr/pull/23646
Patch, Third Party Advisory x_refsource_misc
https://github.com/zephyrproject-rtos/zephyr/pull/23649
Various Sources x_refsource_misc
https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10023
Scores
CVSS v3
6.9
EPSS
0.0038
EPSS Percentile
59.5%
Attack Vector
PHYSICAL
CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
Details
CWE
CWE-120
Status
published
Products (2)
zephyrproject/zephyr
1.14.1
zephyrproject/zephyr
2.1.0
Published
May 11, 2020
Tracked Since
Feb 18, 2026