1. Home
  2. CVE Database
  3. CVE-2021-3329
CRITICAL · 9.6

CVE-2021-3329

Lack of proper validation in HCI Host stack initialization can cause a crash of the bluetooth stack

Vulnerability Description

Lack of proper validation in HCI Host stack initialization can cause a crash of the bluetooth stack

CVSS Score

9.6

CRITICAL

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
LOW
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
ZephyrprojectZephyr2.4.0

Related Weaknesses (CWE)

CWE-665CWE-703

References

FAQ

What is CVE-2021-3329?

CVE-2021-3329 is a vulnerability with a CVSS score of 9.6 (CRITICAL). Lack of proper validation in HCI Host stack initialization can cause a crash of the bluetooth stack

How severe is CVE-2021-3329?

CVE-2021-3329 has been rated CRITICAL with a CVSS base score of 9.6/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-3329?

Check the references section above for vendor advisories and patch information. Affected products include: Zephyrproject Zephyr.