AUGUST 4, 2026
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Case File

CVE-2021-3835

HIGH · CVSS 8.2 EPSS 0.74% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-02-07 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.2. It affects GitHub. Public exploit code or proof-of-concept references have been detected in its references.

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-2021-3835
Severity
HIGH
CVSS
8.2
EPSS
0.74%
GitHub

Original NVD Description

Buffer overflow in usb device class. Zephyr versions >= v2.6.0 contain Heap-based Buffer Overflow (CWE-122). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-fm6v-8625-99jf

Related CVEs

Other vulnerabilities affecting the same vendor(s)