Vulnerabilities
Misconfiguration
Runtime Security
Compliance
CVE Vulnerabilities

CVE-2021-41039

Published: Dec 01, 2021 | Modified: Oct 02, 2023
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2021-41039
CWEhttps://cwe.mitre.org/data/definitions/NVD-Other.html

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 Software

Name Vendor Start Version End Version
Mosquitto Eclipse 1.6 (including) 2.0.11 (including)
Mosquitto Ubuntu bionic *
Mosquitto Ubuntu esm-apps/focal *
Mosquitto Ubuntu focal *
Mosquitto Ubuntu hirsute *
Mosquitto Ubuntu impish *
Mosquitto Ubuntu jammy *
Mosquitto Ubuntu kinetic *
Mosquitto Ubuntu trusty *
Mosquitto Ubuntu upstream *
Mosquitto Ubuntu xenial *

References

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