Crestron AM-100/AM-101 Web Interface hard-coded credentials

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CVSS Meta Temp Score
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CTI Interest Score
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8.3$0-$5k0.00

A vulnerability was found in Crestron AM-100 and AM-101. It has been declared as critical. Affected by this vulnerability is some unknown processing of the component Web Interface. The manipulation with the input value admin:admin/moderator:moderator leads to a weak authentication vulnerability. The CWE definition for the vulnerability is CWE-798. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Crestron AM-100 with firmware 1.6.0.2 and AM-101 with firmware 2.7.0.2 use default credentials admin/admin and moderator/moderator for the web interface. An unauthenticated, remote attacker can use these credentials to gain privileged access to the device.

The bug was discovered 05/01/2019. The weakness was disclosed 04/30/2019. This vulnerability is known as CVE-2019-3939 since 01/03/2019. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1110.001 according to MITRE ATT&CK.

Proper firewalling of is able to address this issue.

The entries 134286, 134285, 134284 and 134283 are pretty similar.

Affectededit

  • Crestron AM-100 1.6.0.2
  • Crestron AM-101 2.7.0.2

Productinfoedit

Vendor

Name

CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2infoedit

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

NVD Base Score: 🔍

Exploitinginfoedit

Class: Weak authentication
CWE: CWE-798
ATT&CK: T1110.001

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfoedit

Threat: 🔍
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Countermeasuresinfoedit

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfoedit

01/03/2019 🔍
04/30/2019 +117 days 🔍
05/01/2019 +1 days 🔍
05/01/2019 +0 days 🔍
06/05/2020 +401 days 🔍

Sourcesinfoedit

Status: Not defined

CVE: CVE-2019-3939 (🔍)
See also: 🔍

Entryinfoedit

Created: 05/01/2019 02:10 PM
Updated: 06/05/2020 12:16 PM
Changes: (1) vulnerability_discoverydate
Complete: 🔍

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