CVE-2020-10022

Name: CVE-2020-10022
Creator: NVD / NIST
Published: 2020-05-11T23:15:11.457+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.32%

Last modified Jun 17, 2026

CVE-2020-10022 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A malformed JSON payload that is received from an UpdateHub server may trigger memory corruption in the Zephyr OS. This could result in a denial of service in the best case, or code execution in the worst case. EPSS estimates a 2.32% chance of exploitation in the next 30 days.

Description

A malformed JSON payload that is received from an UpdateHub server may trigger memory corruption in the Zephyr OS. This could result in a denial of service in the best case, or code execution in the worst case. See NCC-NCC-016 This issue affects: zephyrproject-rtos zephyr version 2.1.0 and later versions. version 2.2.0 and later versions.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.32%

81.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Zephyrproject	Zephyr	2.1.0
Zephyrproject	Zephyr	2.2.0

References

https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10022
https://github.com/zephyrproject-rtos/zephyr/pull/24065Patch, Third Party Advisory
https://github.com/zephyrproject-rtos/zephyr/pull/24066Patch, Third Party Advisory
https://github.com/zephyrproject-rtos/zephyr/pull/24154Patch, Third Party Advisory
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-28Third Party Advisory
https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10022
https://github.com/zephyrproject-rtos/zephyr/pull/24065Patch, Third Party Advisory
https://github.com/zephyrproject-rtos/zephyr/pull/24066Patch, Third Party Advisory
https://github.com/zephyrproject-rtos/zephyr/pull/24154Patch, Third Party Advisory
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-28Third Party Advisory

Timeline

Published: May 11, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-10022?

How severe is CVE-2020-10022?

CVE-2020-10022 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.32% probability of exploitation in the next 30 days.

How do I fix CVE-2020-10022?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-10022?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST