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CVE-2024-42655

Good to know:

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Date: July 28, 2025

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.

Severity Score

Related Resources (5)

https://nvd.nist.gov/vuln/detail/CVE-2024-42655
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
https://www.mend.io/vulnerability-database/CVE-2024-42655

Severity Score

Weakness Type (CWE)

Improper Access Control

CWE-284

Top Fix

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Upgrade Version

Upgrade to version https://github.com/nanomq/nanomq.git - 0.22.2

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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