CVE-2024-42655

Published Jul 29, 2025 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-54835 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.
History
Type Values Removed Values Added
CPEs cpe:2.3:a:emqx:nanomq:0.21.8:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Emqx
Emqx nanomq
Vendors & Products Emqx
Emqx nanomq
Type Values Removed Values Added
Weaknesses CWE-284
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Jul 29, 2025, 6:38 PM
Reserved
Aug 5, 2024, 12:00 AM
Status
Analyzed
Published
Jul 29, 2025, 7:15 PM
Modified
Jun 17, 2026, 7:49 AM