CVEvulnerability

CVE-2020-12140

8.8 HIGH Published 2021-12-07 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-12-07
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.8 HIGH — CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
8.3 HIGH — AV:A/AC:L/Au:N/C:C/I:C/A:C
Weaknesses
CWE-120

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 configurations

• contiki-ng contiki-ng (<= 4.4)

Related

Weakness · CWE (1)

  • CWE-120 Buffer Copy without Checking Size of Input weakness

References