COMMAX Smart Home Ruvie CCTV Bridge DVR Service Setconf Endpoint missing authentication

CVSS Meta Temp Score
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability was found in COMMAX Smart Home Ruvie CCTV Bridge DVR Service. It has been rated as critical. This issue affects some unknown processing of the component Setconf Endpoint. Performing a manipulation results in missing authentication. This vulnerability is cataloged as CVE-2021-47709. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in COMMAX Smart Home Ruvie CCTV Bridge DVR Service (version unknown). This affects an unknown function of the component Setconf Endpoint. The manipulation with an unknown input leads to a missing authentication vulnerability. CWE is classifying the issue as CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. This is going to have an impact on availability. The summary by CVE is:

COMMAX Smart Home System allows an unauthenticated attacker to change configuration and cause denial-of-service through the setconf endpoint. Attackers can trigger a denial-of-service scenario by sending a malformed request to the setconf endpoint.

The weakness was shared by Gjoko Krstic as 50209. It is possible to read the advisory at exploit-db.com. This vulnerability is uniquely identified as CVE-2021-47709 since 12/05/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept.

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 (50209). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

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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: 7.5
VulDB Meta Temp Score: 6.8

VulDB Base Score: 7.5
VulDB Temp Score: 6.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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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: 🔒

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: 50209
Researcher: Gjoko Krstic
Status: Not defined

CVE: CVE-2021-47709 (🔒)
GCVE (CVE): GCVE-0-2021-47709
GCVE (VulDB): GCVE-100-335559
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 12/10/2025 08:05
Changes: 12/10/2025 08:05 (70)
Complete: 🔍
Cache ID: 216::103

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

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