VULNERABILITY INTELLIGENCE

CVE-2023-5632

CVSS score7.5 HIGH
EPSS probability0.80%
CISA KEVNot currently listed
Published2023-10-18
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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

Weakness classification

  • CWE-834: Excessive Iteration

Primary references