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CVE-2024-42645

25
FAUCET Score

CVE-2024-42645 is a Denial of Service (DoS) vulnerability affecting FlashMQ version 1.14.0, where a remote attacker can trigger an assertion failure by sending a specially crafted retain message. This vulnerability is rated as High severity with a CVSS score of 7.5, indicating it can be exploited over the network with low complexity and without user interaction, leading to a complete loss of availability. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.14.0CPE matchmatch criteria
cpe:2.3:a:flashmq:flashmq:1.14.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.50%
Probability of exploitation in next 30 days
EPSS Percentile
39.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0050 is in the 18th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / halfgaar/FlashMQ
Product
github.com / songxpu/bug_report/blob/master/MQTT/FlashMQ/CVE-2024-42645.md
ExploitThird Party Advisory
flashmq.org / 2024/06/17/flashmq-1-15-1-released
Release Notes