CVE-2024-42655

Published: Jul 29, 2025Modified: Aug 6, 2025

8.8

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability: 2.8 / Impact: 5.9

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

An access control issue in NanoMQ v0.21.10 allows attackers to bypass security restrictions and access sensitive system topic messages using MQTT wildcard characters.

Affected (1)

Products: Emqx: Nanomq

Emqx

1 product

Nanomq

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Emqx Nanomq	Version 0.21.8

Related CWEs

CWE-284

Improper Access Control

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

References (3)

https://github.com/nanomq/nanomq

Source: cve@mitre.org

Product

https://github.com/nanomq/nanomq/issues/1782#issuecomment-2171025812

Source: cve@mitre.org

ExploitIssue TrackingPatch

https://github.com/songxpu/bug_report/blob/master/MQTT/NanoMQ/CVE-2024-42655.md

Source: cve@mitre.org

ExploitThird Party Advisory

Timeline

No history available yet.