CVE-2020-12140

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Published Dec 7, 2021 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

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.

Affected Products

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

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.

Metrics

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.

Exploit prediction score: < 1% (0.950% probability within 30 days)

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

Weaknesses

CWE-120

Sources

CVE record Updated: Aug 4, 2024, 11:48 AM

Status: PUBLISHED
Assigner: mitre
Published: Dec 7, 2021, 6:23 PM
Updated: Aug 4, 2024, 11:48 AM
Reserved: Apr 24, 2020, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 2:51 AM

Status: Modified
Published: Dec 7, 2021, 7:15 PM
Modified: Jun 17, 2026, 2:51 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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