CVE-2024-31041

Name: CVE-2024-31041
Creator: NVD / NIST
Published: 2024-04-17T19:15:07.733+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.56%

Last modified Jun 17, 2026

CVE-2024-31041 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Null Pointer Dereference vulnerability in topic_filtern function in mqtt_parser.c in NanoMQ 0.21.7 allows attackers to cause a denial of service.. EPSS estimates a 0.56% chance of exploitation in the next 30 days.

Description

Null Pointer Dereference vulnerability in topic_filtern function in mqtt_parser.c in NanoMQ 0.21.7 allows attackers to cause a denial of service.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.56%

42.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Emqx	Nanomq	0.21.7

References

https://github.com/nanomq/nanomq/issues/1723Exploit, Issue Tracking
https://github.com/nanomq/nanomq/issues/1723Exploit, Issue Tracking

Timeline

Published: Apr 17, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-31041?

Null Pointer Dereference vulnerability in topic_filtern function in mqtt_parser.c in NanoMQ 0.21.7 allows attackers to cause a denial of service.

How severe is CVE-2024-31041?

CVE-2024-31041 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.56% probability of exploitation in the next 30 days.

How do I fix CVE-2024-31041?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-31041?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST