What is CVE-2020-10027?

CVE-2020-10027 is a high-severity vulnerability in Zephyrproject-rtos Zephyr, classified under Incorrect Comparison. CVSS score: 7.8/10. Published 2020-05-11.

How severe is CVE-2020-10027?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Zephyrproject-rtos Zephyr

CVE-2020-10027

An attacker who has obtained code execution within a user thread is able to elevate privileges to that of the kernel. See NCC-ZEP-001 This issue affects: zephyrproject-rtos zephyr version 1.14.0 and later versions. version 2.1.0 and later…

EPSS: 0.004 (59.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Zephyrproject-rtos Zephyr — versions 1.14.0, 2.1.0

Weakness classification (CWE)

CWE-697 — Incorrect Comparison

References

zephyrprojectsec.atlassian.net/browse/ZEPSEC-35 (x_refsource_MISC)
github.com/zephyrproject-rtos/zephyr/pull/23328 (x_refsource_MISC)
github.com/zephyrproject-rtos/zephyr/pull/23500 (x_refsource_MISC)
github.com/zephyrproject-rtos/zephyr/pull/23499 (x_refsource_MISC)
docs.zephyrproject.org/latest/security/vulnerabilities.html (x_refsource_MISC)

Frequently asked questions

What is CVE-2020-10027?: CVE-2020-10027 is a high-severity vulnerability in Zephyrproject-rtos Zephyr, classified under Incorrect Comparison. CVSS score: 7.8/10. Published 2020-05-11.
How severe is CVE-2020-10027?: High severity. CVSS v3 base score is 7.8 out of 10.