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Case File

CVE-2021-28139

HIGH · CVSS 8.8 EPSS 1.39% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-09-07 · 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.

Detected Signals
arbitrary code execution code execution
GitHub PoC Links
github.com ↗ github.com ↗
External Security References
dl.packetstormsecurity.net ↗

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

CVE
CVE-2021-28139
Severity
HIGH
CVSS
8.8
EPSS
1.39%

Original NVD Description

The Bluetooth Classic implementation in Espressif ESP-IDF 4.4 and earlier does not properly restrict the Feature Page upon reception of an LMP Feature Response Extended packet, allowing attackers in radio range to trigger arbitrary code execution in ESP32 via a crafted Extended Features bitfield payload.