CVE-2021-34431

MEDIUM · CVSS 6.5 EPSS 1.11%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-07-22 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE

CVE-2021-34431

Severity

MEDIUM

CVSS

6.5

EPSS

1.11%

Original NVD Description

In Eclipse Mosquitto version 1.6 to 2.0.10, if an authenticated client that had connected with MQTT v5 sent a crafted CONNECT message to the broker a memory leak would occur, which could be used to provide a DoS attack against the broker.