Published: 11/05/2020 Updated: 05/06/2020
CVSS v2 Base Score: 5.8 | Impact Score: 4.9 | Exploitability Score: 8.6
CVSS v3 Base Score: 4.8 | Impact Score: 2.5 | Exploitability Score: 2.2
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:P

Vulnerability Summary

The UpdateHub module disables DTLS peer checking, which allows for a man in the middle attack. This is mitigated by firmware images requiring valid signatures. However, there is no benefit to using DTLS without the peer checking. See NCC-ZEP-018 This issue affects: zephyrproject-rtos zephyr version 2.1.0 and later versions.

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zephyrproject zephyr 2.1.0

zephyrproject zephyr 2.2.0