CVE-2024-42655

high

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.

References

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

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

https://github.com/nanomq/nanomq

Details

Source: Mitre, NVD

Published: 2025-07-29

Updated: 2025-07-31

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 8.8

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

Severity: High

EPSS

EPSS: 0.00036