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.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

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

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://bugs.eclipse.org/bugs/show_bug.cgi?id=575314	Exploit Issue Tracking Patch Vendor Advisory
https://www.debian.org/security/2023/dsa-5511

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2021-12-01 20:15

Updated : 2023-10-02 12:15

NVD link : CVE-2021-41039

Mitre link : CVE-2021-41039

CVE.ORG link : CVE-2021-41039

JSON object : View

Products Affected

eclipse

mosquitto

CWE

NVD-CWE-Other CWE-1050

Excessive Platform Resource Consumption within a Loop

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