CVE-2020-10067

Name: CVE-2020-10067
Creator: NVD / NIST
Published: 2020-05-11T23:15:12.083+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.45%

Last modified Jun 17, 2026

CVE-2020-10067 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A malicious userspace application can cause a integer overflow and bypass security checks performed by system call handlers. The impact would depend on the underlying system call and can range from denial of service to information leak to memory corruption resulting in code execution within the kernel. EPSS estimates a 0.45% chance of exploitation in the next 30 days.

Description

A malicious userspace application can cause a integer overflow and bypass security checks performed by system call handlers. The impact would depend on the underlying system call and can range from denial of service to information leak to memory corruption resulting in code execution within the kernel. See NCC-ZEP-005 This issue affects: zephyrproject-rtos zephyr version 1.14.1 and later versions. version 2.1.0 and later versions.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.45%

35.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Zephyrproject	Zephyr	1.14.1
Zephyrproject	Zephyr	2.1.0

References

https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10067
https://github.com/zephyrproject-rtos/zephyr/pull/23239Patch, Third Party Advisory
https://github.com/zephyrproject-rtos/zephyr/pull/23653Patch, Third Party Advisory
https://github.com/zephyrproject-rtos/zephyr/pull/23654Patch, Third Party Advisory
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-27Third Party Advisory
https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10067
https://github.com/zephyrproject-rtos/zephyr/pull/23239Patch, Third Party Advisory
https://github.com/zephyrproject-rtos/zephyr/pull/23653Patch, Third Party Advisory
https://github.com/zephyrproject-rtos/zephyr/pull/23654Patch, Third Party Advisory
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-27Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2020-10067?

How severe is CVE-2020-10067?

CVE-2020-10067 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.45% probability of exploitation in the next 30 days.

How do I fix CVE-2020-10067?

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-2020-10067?

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

Scan your code now

Source: NVD / NIST