CVE-2021-3454

MEDIUM

Zephyr < 2.6.0 - Reachable Assertion

Title source: rule
STIX 2.1

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

Scores

CVSS v3 4.3
EPSS 0.0033
EPSS Percentile 56.2%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Details

CWE
CWE-130 CWE-617
Status published
Products (1)
zephyrproject/zephyr 2.4.0 - 2.6.0
Published Oct 19, 2021
Tracked Since Feb 18, 2026