CVE-2024-42655

CVSS 8.8 HIGHEPSS 0.4%CWE-284

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.8EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

29 Jul 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

n/a · n/a

References

https://github.com/nanomq/nanomq https://github.com/nanomq/nanomq/issues/1782#issuecomment-2171025812 https://github.com/songxpu/bug_report/blob/master/MQTT/NanoMQ/CVE-2024-42655.md