CVE-2020-12140

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CVSS 3.1

8.8 high

EPSS

<1%p58

Published

Dec 7, 2021 (Dec 7, 2021)

Modified

Jun 17, 2026

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.

Vendors: contiki-ng
Products: contiki-ng
Weakness: CWE-120
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.9%)

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