CVE-2020-10058

Name: CVE-2020-10058
Creator: NVD / NIST
Published: 2020-05-11T23:15:11.91+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.40%

Last modified Jun 17, 2026

CVE-2020-10058 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Multiple syscalls in the Kscan subsystem perform insufficient argument validation, allowing code executing in userspace to potentially gain elevated privileges. See NCC-ZEP-006 This issue affects: zephyrproject-rtos zephyr version 2.1.0 and later versions.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

Description

Multiple syscalls in the Kscan subsystem perform insufficient argument validation, allowing code executing in userspace to potentially gain elevated privileges. See NCC-ZEP-006 This issue affects: zephyrproject-rtos zephyr 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

0.40%

31.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Zephyrproject	Zephyr	2.1.0

References

https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10058
https://github.com/zephyrproject-rtos/zephyr/pull/23308Patch, Third Party Advisory
https://github.com/zephyrproject-rtos/zephyr/pull/23748Patch, Third Party Advisory
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-34Third Party Advisory
https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10058
https://github.com/zephyrproject-rtos/zephyr/pull/23308Patch, Third Party Advisory
https://github.com/zephyrproject-rtos/zephyr/pull/23748Patch, Third Party Advisory
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-34Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2020-10058?

How severe is CVE-2020-10058?

CVE-2020-10058 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.

How do I fix CVE-2020-10058?

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-2020-10058?

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

Scan your code now

Source: NVD / NIST