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Case File

CVE-2021-3454

MEDIUM · CVSS 4.3 EPSS 0.93% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-10-19 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-3454
Severity
MEDIUM
CVSS
4.3
EPSS
0.93%
GitHub

Original NVD 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

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