CVE Vulnerability

CVE-2021-3774

Meross Smart Wi-Fi 2 Way Wall Switch (MSS550X), on its 3.1.3 version and before, creates an open Wi-Fi Access Point without the required security measures in its initial setup. This could allow a remote attacker to obtain the Wi-Fi SSID as well as the password configured by the user from Meross app via Http/JSON plain request.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://www.incibe-cert.es/en/early-warning/security-advisories/meross-mss550x-missing-encryption-sensitive-data Third Party Advisory
Configurations

Configuration 1
Information

Published : 2021-11-05 09:15

Updated : 2022-10-27 04:43

NVD link : CVE-2021-3774

Mitre link : CVE-2021-3774

Products Affected
No products.
CWE
CWE-319

Cleartext Transmission of Sensitive Information