Vulnerability in Zephyrproject-rtos Zephyr

CVE-2021-3329

Lack of proper validation in HCI Host stack initialization can cause a crash of the bluetooth stack

EPSS: 0.001 (24.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H.

Affected products

Zephyrproject-rtos Zephyr — versions unspecified

Weakness classification (CWE)

CWE-703

References

zephyrprojectsec.atlassian.net/browse/ZEPSEC-117

Frequently asked questions

What is CVE-2021-3329?: CVE-2021-3329 is a critical-severity vulnerability in Zephyrproject-rtos Zephyr, classified under CWE-703. CVSS score: 9.6/10. Published 2023-02-26.
How severe is CVE-2021-3329?: Critical severity. CVSS v3 base score is 9.6 out of 10.