5
CVSSv2

CVE-2021-34432

Published: 27/07/2021 Updated: 17/08/2021
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Vulnerability Summary

In Eclipse Mosquitto versions 2.07 and previous versions, the server will crash if the client tries to send a PUBLISH packet with topic length = 0.

Vulnerability Trend

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eclipse mosquitto

Github Repositories

A fuzzing framework targeted at MQTT brokers. Modeled as a finite state machine (using Markov Modeling).

FUME: Fuzzing MQTT Brokers Table of Contents Introduction Get Started Configuring your Fuzzing Session Crash Triage Bugs Discovered with FUME Introduction FUME is a fuzzing engine targeted directly at MQTT brokers It uses both generation-guided and mutation-guided fuzzing techniques to craft fuzzy MQTT payloads to send to your target It also leverages a response feedback m