CVE-2020-10071 CRITICAL

CVE-2020-10071: Insufficient publish message length validation in MQTT

Vendor Zephyrproject-Rtos
Product zephyr
Weakness CWE-120
Published June 5, 2020
Last update September 17, 2024
View on NVD All CVEs

CVSS base score

9.0/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

The Zephyr MQTT parsing code performs insufficient checking of the length field on publish messages, allowing a buffer overflow and potentially remote code execution. NCC-ZEP-031 This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions.

Key dates

02Disclosure timeline

June 5, 2020 CVE published
September 17, 2024 Record updated