CVE-2024-31041 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00141.

Exploitation poc

Automatable yes

Technical Impact partial

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/1723

History

Fri, 27 Feb 2026 05:15:00 +0000

Type	Values Removed	Values Added
CPEs		cpe:2.3:a:emqx:nanomq::::::::
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

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

Thu, 22 Aug 2024 19:00:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-476
Metrics		cvssV3_1 `{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}`

Projects

Sign in to view the affected projects.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2024-04-17T00:00:00.000Z

Updated: 2024-08-22T18:06:14.121Z

Reserved: 2024-03-27T00:00:00.000Z

Link: CVE-2024-31041

Vulnrichment

Updated: 2024-08-02T01:46:04.777Z

NVD

Status : Analyzed

Published: 2024-04-17T19:15:07.733

Modified: 2025-06-10T01:35:36.873

Link: CVE-2024-31041

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-476

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2024-31041", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2024-08-22T18:06:14.121Z", "dateReserved": "2024-03-27T00:00:00.000Z", "datePublished": "2024-04-17T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2024-04-17T18:38:30.353Z"}, "descriptions": [{"lang": "en", "value": "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."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/nanomq/nanomq/issues/1723"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T01:46:04.777Z"}, "title": "CVE Program Container", "references": [{"url": "https://github.com/nanomq/nanomq/issues/1723", "tags": ["x_transferred"]}]}, {"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-476", "lang": "en", "description": "CWE-476 NULL Pointer Dereference"}]}], "affected": [{"vendor": "emqx", "product": "nanomq", "cpes": ["cpe:2.3:a:emqx:nanomq:*:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "0.21.7", "status": "affected"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2024-08-22T18:03:32.308822Z", "id": "CVE-2024-31041", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-08-22T18:06:14.121Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://github.com/nanomq/nanomq/issues/1723", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T01:46:04.777Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2024-31041", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-08-22T18:03:32.308822Z"}}}], "affected": [{"cpes": ["cpe:2.3:a:emqx:nanomq:*:*:*:*:*:*:*:*"], "vendor": "emqx", "product": "nanomq", "versions": [{"status": "affected", "version": "0.21.7"}], "defaultStatus": "unknown"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-476", "description": "CWE-476 NULL Pointer Dereference"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-08-22T18:04:01.250Z"}}], "cna": {"affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "references": [{"url": "https://github.com/nanomq/nanomq/issues/1723"}], "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "n/a"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2024-04-17T18:38:30.353Z"}}}, "cveMetadata": {"cveId": "CVE-2024-31041", "state": "PUBLISHED", "dateUpdated": "2024-08-22T18:06:14.121Z", "dateReserved": "2024-03-27T00:00:00.000Z", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "datePublished": "2024-04-17T00:00:00.000Z", "assignerShortName": "mitre"}, "dataVersion": "5.1"}