CVE-2021-33139

Published: Feb 9, 2022Updated: May 5, 2025 Sources: CVE List NVDCWE-754

NVD MITRE

5.7CVSSMEDIUM

EPSS Score

Description

Improper conditions check in firmware for some Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products before version 22.100 may allow an authenticated user to potentially enable denial of service via adjacent access.

CVSS Vector Breakdown

Exploitability

AV:AAttack Vector

Adjacent

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:NConfidentiality

None

I:NIntegrity

None

A:HAvailability

High

Open in CVSS calculator →

Weaknesses

CWE-754

Affected Products

Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products n/a

ax211 firmware intel Hardware Firmware

ax210 firmware intel Hardware Firmware

ax201 firmware intel Hardware Firmware

ax200 firmware intel Hardware Firmware

intelcommercialUSHardware Firmwareaka intel corp.

and 12 more affected products View all →

Exploitability

Official Patch Available

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00604.html

intel.com

Timeline

Published

Feb 9, 2022

Last Updated

May 5, 2025

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2021-33139 and every CVE in our database. Create a free account — no credit card required.

Create Free Account

Plain-language analysis

Impact assessment and exploitation scenario in plain English

Attack graph visualization

Interactive attack path and kill chain mapping

Exploit details & PoC links

ExploitDB, Metasploit, GitHub PoCs with direct links

Nuclei scanner templates

Ready-to-use vulnerability scanner templates

Full remediation guide

Patch instructions, workarounds, and compliance impact

Interactive AI chat

Ask questions about this vulnerability in natural language

Related vulnerabilities

Semantically similar CVEs and attack patterns

REST API & MCP access

Integrate vulnerability data into your workflows