CVE-2021-47710

Severity CVSS v4.0:

HIGH

Type:

CWE-306 Missing Authentication for Critical Function

Publication date:

09/12/2025

Last modified:

09/12/2025

Description

COMMAX Smart Home System is a smart IoT home solution that allows an unauthenticated attacker to disclose RTSP credentials in plain-text by exploiting the /overview.asp endpoint. Attackers can access sensitive information, including login credentials and DVR settings, by submitting a GET request to this endpoint.

Impact

Vector 4.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N CVSS v4.0 Severity and Metrics:

Base Score: 8.70 HIGH
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Attack Requirements (AT): None
Privileges Required (PR): None
User Interaction (UI): None
Confidentiality (VC): High
Integrity (VI): None
Availability (VA): None
Confidentiality (SC): None
Integrity (SI): None
Availability (SA): None

Base Score 4.0

8.70

Severity 4.0

HIGH

CVE-2021-47710

Description

Impact

References to Advisories, Solutions, and Tools