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Case File

CVE-2021-3319

MEDIUM · CVSS 6.5 EPSS 0.88% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-10-05 · 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
github.com ↗

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

CVE
CVE-2021-3319
Severity
MEDIUM
CVSS
6.5
EPSS
0.88%
GitHub

Original NVD Description

DOS: Incorrect 802154 Frame Validation for Omitted Source / Dest Addresses. Zephyr versions >= > v2.4.0 contain NULL Pointer Dereference (CWE-476), Attempt to Access Child of a Non-structure Pointer (CWE-588). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-94jg-2p6q-5364