CVEvulnerability

CVE-2021-41039

7.5 HIGH Published 2021-12-01 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-12-01
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-1050

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.

Affected configurations

• eclipse mosquitto (>= 1.6 <= 2.0.11)

Related

Weakness · CWE (1)

  • CWE-1050 Excessive Platform Resource Consumption within a Loop weakness

References