CVE-2021-28166 MEDIUM

CVE-2021-28166

Vendor The Eclipse Foundation
Product Eclipse Mosquitto
Weakness CWE-476
Published April 7, 2021
Last update August 3, 2024

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:F/RL:O/RC:C

What the vulnerability does

01Description

In Eclipse Mosquitto version 2.0.0 to 2.0.9, if an authenticated client that had connected with MQTT v5 sent a crafted CONNACK message to the broker, a NULL pointer dereference would occur.

Key dates

02Disclosure timeline

April 7, 2021 CVE published
August 3, 2024 Record updated