Crestron AM-100/AM-101 SNMP System Command command injection
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
9.7 | $0-$5k | 0.00 |
A vulnerability, which was classified as very critical, was found in Crestron AM-100 and AM-101. Affected is an unknown function of the component SNMP. The manipulation as part of a System Command leads to a command injection vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
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.3.6.1.4.1.3212.100.3.2.14.1. 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 shared 04/30/2019. This vulnerability is traded as CVE-2019-3926 since 01/03/2019. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 09/11/2023). This vulnerability is assigned to T1202 by the MITRE ATT&CK project.
The commercial vulnerability scanner Qualys is able to test this issue with plugin 13484 (Crestron AM-100 and AM-101 Multiple Vulnerabilities).
It is possible to mitigate the weakness by firewalling udp/161 (snmp).
The entries 134273, 134275, 134276 and 134277 are related to this item.
Affected
- Crestron AM-100 1.6.0.2
- Crestron AM-101 2.7.0.2
Product
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 9.8VulDB 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: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Command injectionCWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: FirewallStatus: 🔍
0-Day Time: 🔍
Firewalling: 🔍
Timeline
01/03/2019 🔍04/30/2019 🔍
05/01/2019 🔍
05/01/2019 🔍
09/11/2023 🔍
Sources
Advisory: tenable.comStatus: Confirmed
CVE: CVE-2019-3926 (🔍)
See also: 🔍
Entry
Created: 05/01/2019 14:04Updated: 09/11/2023 11:55
Changes: 05/01/2019 14:04 (58), 06/05/2020 10:57 (1), 09/11/2023 11:55 (4)
Complete: 🔍
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