CVE-2023-5632

HIGH

Eclipse Mosquitto <= 2.0.5 - Denial of Service via EPOLLOUT Event Handling

Title source: llm
STIX 2.1

Description

In Eclipse Mosquito before and including 2.0.5, establishing a connection to the mosquitto server without sending data causes the EPOLLOUT event to be added, which results excessive CPU consumption. This could be used by a malicious actor to perform denial of service type attack. This issue is fixed in 2.0.6

References (2)

Core 2

Scores

CVSS v3 7.5
EPSS 0.0069
EPSS Percentile 47.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-834
Status published
Products (1)
eclipse/mosquitto 2.0.5
Published Oct 18, 2023
Tracked Since Feb 18, 2026