CVE-2023-5632
7.5
HIGH
CVSS 3.1
EPSS 0.09%
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
How to fix CVE-2023-5632
To remediate CVE-2023-5632, upgrade the affected package to a fixed version below.
- Debian/mosquitto—upgrade to 2.0.7-1 or later
Is CVE-2023-5632 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.0.7-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |