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

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Crestron AM-100 and AM-101. Affected is an unknown function of the component Web Interface. This manipulation with the input admin:admin/moderator:moderator causes hard-coded credentials. This vulnerability is tracked as CVE-2019-3939. The attack is possible to be carried out remotely. No exploit exists. It is advisable to implement restrictive firewalling.

Detailsinfo

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 hard-coded credentials vulnerability. The CWE definition for the vulnerability is CWE-798. The product contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external components, or encryption of internal data. 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 VDB-134286, VDB-134285, VDB-134284 and VDB-134283 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Affected

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

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Hard-coded credentials
CWE: CWE-798 / CWE-259 / CWE-255
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/03/2019 🔍
04/30/2019 +117 days 🔍
05/01/2019 +1 days 🔍
05/01/2019 +0 days 🔍
09/11/2023 +1594 days 🔍

Sourcesinfo

Advisory: tenable.com
Status: Not defined

CVE: CVE-2019-3939 (🔍)
GCVE (CVE): GCVE-0-2019-3939
GCVE (VulDB): GCVE-100-134287
See also: 🔍

Entryinfo

Created: 05/01/2019 14:10
Updated: 09/11/2023 13:29
Changes: 05/01/2019 14:10 (55), 06/05/2020 12:16 (1), 09/11/2023 13:29 (4)
Complete: 🔍
Cache ID: 216::103

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