CVE-2024-42655

HIGH EPSS 28.1%
Published Jul 29, 202511mo ago · Modified Jun 17, 20261w ago
8.8 CVSS 3.1
High
Find Similar
Published Jul 29, 2025 11mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
8.8
Exploitability
2.8
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
28.1% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-284

Affected Products 1

VendorProductVersionRange
emqxnanomq0.21.8any

References 3

  • github.com https://github.com/nanomq/nanomq
    Product
  • github.com https://github.com/nanomq/nanomq/issues/1782#issuecomment-2171025812
    ExploitIssue TrackingPatch
  • github.com https://github.com/songxpu/bug_report/blob/master/MQTT/NanoMQ/CVE-2024-42655.md
    ExploitThird Party Advisory

Remediation

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