CVE-2024-42645
FlashMQ Denial of Service (DoS) Vulnerability
Description
An issue in FlashMQ v1.14.0 allows attackers to cause an assertion failure via sending a crafted retain message, leading to a Denial of Service (DoS).
INFO
Published Date :
July 29, 2025, 2:15 p.m.
Last Modified :
Aug. 6, 2025, 8:48 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Update FlashMQ to a version later than 1.14.0.
- Avoid sending crafted retain messages.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2024-42645.
| URL | Resource |
|---|---|
| https://github.com/halfgaar/FlashMQ | Product |
| https://github.com/songxpu/bug_report/blob/master/MQTT/FlashMQ/CVE-2024-42645.md | Exploit Third Party Advisory |
| https://www.flashmq.org/2024/06/17/flashmq-1-15-1-released/ | Release Notes |
| https://github.com/songxpu/bug_report/blob/master/MQTT/FlashMQ/CVE-2024-42645.md | Exploit Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2024-42645 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2024-42645
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2024-42645 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2024-42645 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Aug. 06, 2025
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:flashmq:flashmq:1.14.0:*:*:*:*:*:*:* Added Reference Type MITRE: https://github.com/halfgaar/FlashMQ Types: Product Added Reference Type MITRE: https://github.com/songxpu/bug_report/blob/master/MQTT/FlashMQ/CVE-2024-42645.md Types: Exploit, Third Party Advisory Added Reference Type MITRE: https://www.flashmq.org/2024/06/17/flashmq-1-15-1-released/ Types: Release Notes Added Reference Type CISA-ADP: https://github.com/songxpu/bug_report/blob/master/MQTT/FlashMQ/CVE-2024-42645.md Types: Exploit, Third Party Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 30, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-617 Added Reference https://github.com/songxpu/bug_report/blob/master/MQTT/FlashMQ/CVE-2024-42645.md -
New CVE Received by [email protected]
Jul. 29, 2025
Action Type Old Value New Value Added Description An issue in FlashMQ v1.14.0 allows attackers to cause an assertion failure via sending a crafted retain message, leading to a Denial of Service (DoS). Added Reference https://github.com/halfgaar/FlashMQ Added Reference https://github.com/songxpu/bug_report/blob/master/MQTT/FlashMQ/CVE-2024-42645.md Added Reference https://www.flashmq.org/2024/06/17/flashmq-1-15-1-released/