CVE-2024-31040 - Vulnerability Details - OpenCVE

Buffer Overflow vulnerability in the get_var_integer function in mqtt_parser.c in NanoMQ 0.21.7 allows remote attackers to cause a denial of service via a series of specially crafted hexstreams.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00328.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:emqx:nanomq:0.21.7:*:*:*:*:*:*:*

No data.

No data.

Project Subscriptions

Vendors	Products
Emqx Subscribe	Nanomq Subscribe

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://github.com/nanomq/nanomq/issues/1720

History

Tue, 10 Jun 2025 02:00:00 +0000

Type	Values Removed	Values Added
First Time appeared		Emqx Emqx nanomq
CPEs		cpe:2.3:a:emqx:nanomq:0.21.7:::::::*
Vendors & Products		Emqx Emqx nanomq

Projects

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MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2024-04-17T00:00:00

Updated: 2024-08-02T01:46:04.462Z

Reserved: 2024-03-27T00:00:00

Link: CVE-2024-31040

Vulnrichment

Updated: 2024-08-02T01:46:04.462Z

NVD

Status : Analyzed

Published: 2024-04-17T19:15:07.680

Modified: 2025-06-10T01:38:19.090

Link: CVE-2024-31040

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-120

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