CVE-2020-12140 - Vulnerability Details - OpenCVE

Description

A buffer overflow in os/net/mac/ble/ble-l2cap.c in the BLE stack in Contiki-NG 4.4 and earlier allows an attacker to execute arbitrary code via malicious L2CAP frames.

Published: 2021-12-07

Score: 8.8 High

EPSS: < 1% Very Low

KEV: No

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

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:o:contiki-ng:contiki-ng:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2020-4455	A buffer overflow in os/net/mac/ble/ble-l2cap.c in the BLE stack in Contiki-NG 4.4 and earlier allows an attacker to execute arbitrary code via malicious L2CAP frames.

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Adjacent Network

Access Complexity Low

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.0095.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/contiki-ng/contiki-ng/pull/1662
https://twitter.com/ScepticCtf

History

No history.

Subscriptions

Contiki-ng Contiki-ng

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-12-07T18:23:51.000Z

Updated: 2024-08-04T11:48:58.411Z

Reserved: 2020-04-24T00:00:00.000Z

Link: CVE-2020-12140

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-12-07T19:15:07.370

Modified: 2026-06-17T02:51:28.477

Link: CVE-2020-12140

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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