Vulnerabilities > CVE-2021-28166 - NULL Pointer Dereference vulnerability in Eclipse Mosquitto

047910
CVSS 4.0 - MEDIUM
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
SINGLE
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
PARTIAL
network
low complexity
eclipse
CWE-476

Summary

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.

Vulnerable Configurations

Part Description Count
Application
Eclipse
1

Common Weakness Enumeration (CWE)