CVE-2024-42655 — HIGH (8.8)

Vulnerability 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 Score

8.8

HIGH

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

Affected Products

Vendor	Product	Versions
Emqx	Nanomq	0.21.8

Related Weaknesses (CWE)

CWE-284

References

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

FAQ

What is CVE-2024-42655?

CVE-2024-42655 is a vulnerability with a CVSS score of 8.8 (HIGH). 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.

How severe is CVE-2024-42655?

CVE-2024-42655 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2024-42655?

Check the references section above for vendor advisories and patch information. Affected products include: Emqx Nanomq.