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Case File

CVE-2021-33176

HIGH · CVSS 7.5 EPSS 1.10%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-06-08 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. It may lead to a denial-of-service condition.

CVE
CVE-2021-33176
Severity
HIGH
CVSS
7.5
EPSS
1.10%

Original NVD Description

VerneMQ MQTT Broker versions prior to 1.12.0 are vulnerable to a denial of service attack as a result of excessive memory consumption due to the handling of untrusted inputs. These inputs cause the message broker to consume large amounts of memory, resulting in the application being terminated by the operating system.

Related CVEs

Other vulnerabilities affecting the same vendor(s)