CVE-2021-28135 - Vulnerability Details - OpenCVE

Description

The Bluetooth Classic implementation in Espressif ESP-IDF 4.4 and earlier does not properly handle the reception of continuous unsolicited LMP responses, allowing attackers in radio range to trigger a denial of service (crash) in ESP32 by flooding the target device with LMP Feature Response data.

Published: 2021-09-07

Score: 6.5 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

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

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:espressif:esp-idf:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-14834	The Bluetooth Classic implementation in Espressif ESP-IDF 4.4 and earlier does not properly handle the reception of continuous unsolicited LMP responses, allowing attackers in radio range to trigger a denial of service (crash) in ESP32 by flooding the target device with LMP Feature Response data.

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Adjacent Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00279.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://dl.packetstormsecurity.net/papers/general/braktooth.pdf
https://github.com/espressif/esp-idf
https://github.com/espressif/esp32-bt-lib
https://www.espressif.com/en/products/socs/esp32

History

No history.

Subscriptions

Espressif Esp-idf

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-09-07T05:56:29.000Z

Updated: 2024-08-03T21:33:17.612Z

Reserved: 2021-03-11T00:00:00.000Z

Link: CVE-2021-28135

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-09-07T06:15:07.230

Modified: 2024-11-21T05:59:09.477

Link: CVE-2021-28135

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

NVD-CWE-Other

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