CVE-2021-3454

—

CVSS 3.1

7.5 high

EPSS

<1%p60

Published

Oct 19, 2021 (Oct 19, 2021)

Modified

Jun 17, 2026

Description

Truncated L2CAP K-frame causes assertion failure. Zephyr versions >= 2.4.0, >= v.2.50 contain Improper Handling of Length Parameter Inconsistency (CWE-130), Reachable Assertion (CWE-617). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-fx88-6c29-vrp3

Vendors: zephyrproject
Products: zephyr
Weakness: CWE-130, CWE-617
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (1.0%)

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