CVE Vulnerability

CVE-2021-34431

In Eclipse Mosquitto version 1.6 to 2.0.10, if an authenticated client that had connected with MQTT v5 sent a crafted CONNECT message to the broker a memory leak would occur, which could be used to provide a DoS attack against the broker.

4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

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=573191 Mailing List Vendor Advisory
Configurations

Configuration 1

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

Published : 2021-07-22 02:15

Updated : 2021-08-03 05:49

NVD link : CVE-2021-34431

Mitre link : CVE-2021-34431

Products Affected
No products.
CWE
CWE-401