CVE-2021-3329 - Vulnerability Details - OpenCVE

Description

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

Published: 2023-02-26

Score: 9.6 Critical

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

zephyrproject-rtos

zephyr

affected

Version	Status	Constraints
`unspecified`	affected	≤ v2.4

Configuration 1 [-]

OR	cpe:2.3:o:zephyrproject:zephyr:2.4.0:-::::::
	cpe:2.3:o:zephyrproject:zephyr:2.4.0:rc1::::::
	cpe:2.3:o:zephyrproject:zephyr:2.4.0:rc2::::::
	cpe:2.3:o:zephyrproject:zephyr:2.4.0:rc3::::::

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-26660	Lack of proper validation in HCI Host stack initialization can cause a crash of the bluetooth stack

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact Low

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00085.

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-117

History

Tue, 11 Mar 2025 16:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Zephyrproject Zephyr

MITRE

Status: PUBLISHED

Assigner: zephyr

Published: 2023-02-26T00:00:00.000Z

Updated: 2025-03-11T15:25:38.906Z

Reserved: 2021-01-27T00:00:00.000Z

Link: CVE-2021-3329

Vulnrichment

Updated: 2024-08-03T16:53:17.491Z

NVD

Status : Modified

Published: 2023-02-26T07:15:10.287

Modified: 2024-11-21T06:21:18.527

Link: CVE-2021-3329

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

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