CVE-2021-41039 Information

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.

CVSS Vector

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

Reference

https://bugs.eclipse.org/bugs/show_bug.cgi?id=575314

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5