CVE-2021-41039

HIGH · CVSS 7.5 EPSS 1.26%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-12-01 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE

CVE-2021-41039

Severity

HIGH

CVSS

7.5

EPSS

1.26%

Original NVD Description

In versions 1.6 to 2.0.11 of Eclipse Mosquitto, an MQTT v5 client connecting with a large number of user-property properties could cause excessive CPU usage, leading to a loss of performance and possible denial of service.