What is CVE-2021-3510?

CVE-2021-3510 is a high-severity vulnerability in Zephyrproject Zephyr, classified under Attempt to Access Child of a Non-structure Pointer. CVSS score: 7.5/10. Published 2021-10-05.

How severe is CVE-2021-3510?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Zephyrproject Zephyr

CVE-2021-3510

Zephyr JSON decoder incorrectly decodes array of array. Zephyr versions >= >1.14.0, >= >2.5.0 contain Attempt to Access Child of a Non-structure Pointer (CWE-588). For more information, see https://github.com/zephyrproject-rtos/zephyr/secu…

EPSS: 0.009 (56.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Zephyrproject Zephyr — versions 1.14.0, 1.14.1, 1.14.2
Zephyrproject-rtos Zephyr — versions >1.14.0, >2.5.0

Weakness classification (CWE)

CWE-588 — Attempt to Access Child of a Non-structure Pointer

References

vulnerabilities@zephyrproject.org (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-3510?: CVE-2021-3510 is a high-severity vulnerability in Zephyrproject Zephyr, classified under Attempt to Access Child of a Non-structure Pointer. CVSS score: 7.5/10. Published 2021-10-05.
How severe is CVE-2021-3510?: High severity. CVSS v3 base score is 7.5 out of 10.