AUGUST 4, 2026
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Case File

CVE-2021-28166

MEDIUM · CVSS 6.5 EPSS 0.97%

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

CyberRota Analysis

AI analysis pending.

CVE
CVE-2021-28166
Severity
MEDIUM
CVSS
6.5
EPSS
0.97%

Original NVD Description

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.