CVE-2020-10063: Zephyrproject Zephyr

High severity, CVSS 7.5. EPSS: 1.8% chance of exploitation in the next 30 days.

A remote adversary with the ability to send arbitrary CoAP packets to be parsed by Zephyr is able to cause a denial of service. This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions.

Affected products

• Zephyrproject Zephyr: up to and including 2.2.0

Published 2020-06-05. Last modified 2026-06-17.