COMMAX Smart Home Ruvie CCTV Bridge DVR Service /overview.asp missing authentication

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability has been found in COMMAX Smart Home Ruvie CCTV Bridge DVR Service and classified as critical. Impacted is an unknown function of the file /overview.asp. This manipulation causes missing authentication. This vulnerability is tracked as CVE-2021-47710. The attack is possible to be carried out remotely. Moreover, an exploit is present.

Detailsinfo

A vulnerability was found in COMMAX Smart Home Ruvie CCTV Bridge DVR Service (the affected version unknown). It has been declared as critical. Affected by this vulnerability is an unknown part of the file /overview.asp. The manipulation with an unknown input leads to a missing authentication vulnerability. The CWE definition for the vulnerability is CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. As an impact it is known to affect confidentiality. The summary by CVE is:

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.

The weakness was disclosed by Gjoko Krstic as 50208. It is possible to read the advisory at exploit-db.com. This vulnerability is known as CVE-2021-47710 since 12/05/2025. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. By approaching the search of inurl:overview.asp it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (50208). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Missing authentication
CWE: CWE-306 / CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Google Hack: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Exploit-DB: 🔒

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

12/05/2025 CVE reserved
12/10/2025 +5 days Advisory disclosed
12/10/2025 +0 days VulDB entry created
12/10/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: 50208
Researcher: Gjoko Krstic
Status: Not defined

CVE: CVE-2021-47710 (🔒)
GCVE (CVE): GCVE-0-2021-47710
GCVE (VulDB): GCVE-100-335527
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 12/10/2025 07:47
Changes: 12/10/2025 07:47 (70)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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