What is CVE-2021-3432?

CVE-2021-3432 is a medium-severity vulnerability in Zephyrproject Zephyr, classified under Divide By Zero. CVSS score: 4.3/10. Published 2022-06-28.

How severe is CVE-2021-3432?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Zephyrproject Zephyr

CVE-2021-3432

Invalid interval in CONNECT_IND leads to Division by Zero. Zephyr versions >= v1.14.0 Divide By Zero (CWE-369). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-7364-p4wc-8mj4

EPSS: 0.009 (54.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Zephyrproject Zephyr
Zephyrproject-rtos Zephyr — versions v1.14.0, v2.5.0

Weakness classification (CWE)

CWE-369 — Divide By Zero

References

vulnerabilities@zephyrproject.org (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-3432?: CVE-2021-3432 is a medium-severity vulnerability in Zephyrproject Zephyr, classified under Divide By Zero. CVSS score: 4.3/10. Published 2022-06-28.
How severe is CVE-2021-3432?: Medium severity. CVSS v3 base score is 4.3 out of 10.