CVE-2023-46892

The radio frequency communication protocol being used by Meross MSH30Q 4.5.23 is vulnerable to replay attacks, allowing attackers to record and replay previously captured communication to execute unauthorized commands or actions (e.g., thermostat's temperature).

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.kth.se/cs/nse/research/software-systems-architecture-and-security/projects/ethical-hacking-1.1279219	Third Party Advisory
https://www.kth.se/cs/nse/research/software-systems-architecture-and-security/projects/ethical-hacking-1.1279219	Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:meross:msh30q_firmware:4.5.23:*:*:*:*:*:*:*

cpe:2.3:h:meross:msh30q:-:*:*:*:*:*:*:*

History

21 Nov 2024, 08:29

Type	Values Removed	Values Added
References	~~() https://www.kth.se/cs/nse/research/software-systems-architecture-and-security/projects/ethical-hacking-1.1279219 - Third Party Advisory~~	() https://www.kth.se/cs/nse/research/software-systems-architecture-and-security/projects/ethical-hacking-1.1279219 - Third Party Advisory

29 Jan 2024, 20:58

Type	Values Removed	Values Added
CPE		cpe:2.3:h:meross:msh30q:-:::::::* cpe:2.3:o:meross:msh30q_firmware:4.5.23:::::::*
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 8.8
References	~~() https://www.kth.se/cs/nse/research/software-systems-architecture-and-security/projects/ethical-hacking-1.1279219 -~~	() https://www.kth.se/cs/nse/research/software-systems-architecture-and-security/projects/ethical-hacking-1.1279219 - Third Party Advisory
CWE		CWE-294

23 Jan 2024, 21:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2024-01-23 21:15

Updated : 2025-06-17 16:15

NVD link : CVE-2023-46892

Mitre link : CVE-2023-46892

CVE.ORG link : CVE-2023-46892

JSON object : View

Products Affected

meross

msh30q
msh30q_firmware

CWE

CWE-294

Authentication Bypass by Capture-replay

{"id": "CVE-2023-46892", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "published": "2024-01-23T21:15:08.473", "references": [{"url": "https://www.kth.se/cs/nse/research/software-systems-architecture-and-security/projects/ethical-hacking-1.1279219", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.kth.se/cs/nse/research/software-systems-architecture-and-security/projects/ethical-hacking-1.1279219", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-294"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-294"}]}], "descriptions": [{"lang": "en", "value": "The radio frequency communication protocol being used by Meross MSH30Q 4.5.23 is vulnerable to replay attacks, allowing attackers to record and replay previously captured communication to execute unauthorized commands or actions (e.g., thermostat's temperature)."}, {"lang": "es", "value": "El protocolo de comunicaci\u00f3n por radiofrecuencia utilizado por Meross MSH30Q 4.5.23 es vulnerable a ataques de repetici\u00f3n, lo que permite a los atacantes grabar y reproducir comunicaciones capturadas previamente para ejecutar comandos o acciones no autorizadas (por ejemplo, la temperatura del termostato)."}], "lastModified": "2025-06-17T16:15:24.190", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:meross:msh30q_firmware:4.5.23:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "88053A66-2CE3-4D0B-8119-57C49A3A2014"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:meross:msh30q:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "92051225-D526-48A3-8B3C-81BC290AB37D"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}