CVE Vulnerability

CVE-2021-41039

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://bugs.eclipse.org/bugs/show_bug.cgi?id=575314 Exploit Issue Tracking
Configurations

Configuration 1

cpe:2.3:a:eclipse:mosquitto:*:*:*:*:*:*:*:*
Information

Published : 2021-12-01 08:15

Updated : 2021-12-03 03:58

NVD link : CVE-2021-41039

Mitre link : CVE-2021-41039

Products Affected
No products.
CWE
NVD-CWE-Other