CVE-2020-10019

USB DFU has a potential buffer overflow where the requested length (wLength) is not checked against the buffer size. This could be used by a malicious USB host to exploit the buffer overflow. See NCC-ZEP-002 This issue affects: zephyrproject-rtos zephyr version 1.14.1 and later versions. version 2.1.0 and later versions.

• CWE-120
• CWE-120

• https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10019
• https://github.com/zephyrproject-rtos/zephyr/pull/23190Patch, Third Party Advisory
• https://github.com/zephyrproject-rtos/zephyr/pull/23457Patch, Third Party Advisory
• https://github.com/zephyrproject-rtos/zephyr/pull/23460Patch, Third Party Advisory
• https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-25Third Party Advisory
• https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10019
• https://github.com/zephyrproject-rtos/zephyr/pull/23190Patch, Third Party Advisory
• https://github.com/zephyrproject-rtos/zephyr/pull/23457Patch, Third Party Advisory
• https://github.com/zephyrproject-rtos/zephyr/pull/23460Patch, Third Party Advisory
• https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-25Third Party Advisory

Published

May 11, 2020

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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