CVE-2021-33176

HighCVSS 7.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-502 CWE-770

Affected software

No affected versions have been published.

Timeline

Published: Jun 8, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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