VDB-134273 · CVE-2019-3925 · Qualys 13484

Crestron AM-100/AM-101 SNMP System Command command injection

CVSS Meta Temp Score
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CTI Interest Score
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9.7$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Crestron AM-100 and AM-101. The impacted element is an unknown function of the component SNMP. The manipulation as part of System Command leads to command injection. This vulnerability is listed as CVE-2019-3925. The attack may be initiated remotely. There is no available exploit. It is recommended to apply restrictive firewalling.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in Crestron AM-100 and AM-101. This issue affects some unknown processing of the component SNMP. The manipulation as part of a System Command leads to a command injection vulnerability. Using CWE to declare the problem leads to CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. Impacted is 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 are vulnerable to command injection via SNMP OID iso.3.6.1.4.1.3212.100.3.2.9.3. A remote, unauthenticated attacker can use this vulnerability to execute operating system commands as root.

The bug was discovered 05/01/2019. The weakness was presented 04/30/2019. The identification of this vulnerability is CVE-2019-3925 since 01/03/2019. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/11/2023). MITRE ATT&CK project uses the attack technique T1202 for this issue.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 13484 (Crestron AM-100 and AM-101 Multiple Vulnerabilities).

Addressing this vulnerability is possible by firewalling udp/161 (snmp).

See VDB-134274, VDB-134275, VDB-134276 and VDB-134277 for similar entries. Several companies clearly confirm that VulDB is the primary source for best 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: 9.8
VulDB Meta Temp Score: 9.7

VulDB Base Score: 9.8
VulDB Temp Score: 9.6
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: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
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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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Firewalling: 🔍

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: Confirmed

CVE: CVE-2019-3925 (🔍)
GCVE (CVE): GCVE-0-2019-3925
GCVE (VulDB): GCVE-100-134273
See also: 🔍

Entryinfo

Created: 05/01/2019 14:02
Updated: 09/11/2023 11:47
Changes: 05/01/2019 14:02 (58), 06/05/2020 10:50 (1), 09/11/2023 11:47 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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