Aiphone GT-DMB-N 1.0.3 excessive authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability classified as problematic has been found in Aiphone GT-DMB-N 1.0.3. This affects an unknown function. The manipulation with an unknown input leads to a excessive authentication vulnerability. CWE is classifying the issue as CWE-307. The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it more susceptible to brute force attacks. This is going to have an impact on confidentiality. The summary by CVE is:

Aiphone GT-DMB-N 3-in-1 Video Entrance Station with NFC Reader 1.0.3 does not mitigate against repeated failed access attempts, which allows an attacker to gain administrative privileges.

The weakness was presented 11/15/2022. The advisory is shared at This vulnerability is uniquely identified as CVE-2022-40903 since 09/19/2022. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1110.001 for this issue.

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





CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
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VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.5

VulDB Base Score: 2.6
VulDB Temp Score: 2.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍


Class: Excessive authentication
CWE: CWE-307 / CWE-799 / CWE-400

Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

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


Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍


09/19/2022 🔍
11/15/2022 +57 days 🔍
11/15/2022 +0 days 🔍
12/18/2022 +33 days 🔍


Status: Not defined

CVE: CVE-2022-40903 (🔍)


Created: 11/15/2022 10:28 AM
Updated: 12/18/2022 09:52 AM
Changes: 11/15/2022 10:28 AM (37), 12/18/2022 09:52 AM (12)
Complete: 🔍
Cache ID: 3:629:40


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