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Case File

CVE-2021-3330

HIGH · CVSS 7.1 EPSS 0.59% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-10-12 · 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-2021-3330
Severity
HIGH
CVSS
7.1
EPSS
0.59%
GitHub

Original NVD Description

RCE/DOS: Linked-list corruption leading to large out-of-bounds write while sorting for forged fragment list in Zephyr. Zephyr versions >= >=2.4.0 contain Out-of-bounds Write (CWE-787). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-fj4r-373f-9456