Cyber Resilience

CVE-2024-42649

MediumPublic PoC

Published: 14 July 2025

Published
14 July 2025
Modified
16 July 2025
KEV Added
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Patch
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CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS Score 0.0025 49.0th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-42649 is a medium-severity Missing Release of Memory after Effective Lifetime (CWE-401) vulnerability in Emqx Nanomq. Its CVSS base score is 6.5 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Application or System Exploitation (T1499.004); ranked at the 49.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

NanoMQ v0.22.10 was discovered to contain a memory leak which allows attackers to cause a Denial of Service (DoS) via a crafted PUBLISH message.

CWE(s)
CWE-401

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1499.004 Application or System Exploitation Impact
Adversaries may exploit software vulnerabilities that can cause an application or system to crash and deny availability to users.
attack.mitre.org →
Why these techniques?

The CVE describes a memory leak in NanoMQ triggered by crafted MQTT PUBLISH messages, enabling denial-of-service via application resource exhaustion, which directly facilitates T1499.004 (Application or System Exploitation).

Affected Assets

emqx
nanomq
0.22.10

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References