CVE-2021-37188 : An issue was discovered on Digi TransPort devices through 2021-07-21. An authent

An issue was discovered on Digi TransPort devices through 2021-07-21. An authenticated attacker may load customized firmware (because the bootloader does not verify that it is authentic), changing the behavior of the gateway.

Published 2021-12-10 13:15:08

Updated 2022-07-12 17:42:04

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2021-37188

Digi » Transport Wr21 Firmware
Versions up to, including, (<=) 8.2.1.3
cpe:2.3:o:digi:transport_wr21_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Digi » Transport Wr21 » Version: N/A
Digi » Transport Wr44 Firmware
Versions up to, including, (<=) 8.3.1.2
cpe:2.3:o:digi:transport_wr44_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Digi » Transport Wr44 » Version: V2
Digi » Transport Wr11 Xt Firmware
Versions up to, including, (<=) 8.2.1.3
cpe:2.3:o:digi:transport_wr11_xt_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Digi » Transport Wr11 Xt » Version: N/A
Digi » Transport Wr11 Firmware
Versions up to, including, (<=) 8.2.1.3
cpe:2.3:o:digi:transport_wr11_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Digi » Transport Wr11 » Version: N/A
Digi » Transport Wr31 Firmware
Versions up to, including, (<=) 8.2.1.3
cpe:2.3:o:digi:transport_wr31_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Digi » Transport Wr31 » Version: N/A
Digi » Transport Wr41 Firmware
Versions from including (>=) 5.0.0.0 and up to, including, (<=) 5.2.4.6
cpe:2.3:o:digi:transport_wr41_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Digi » Transport Wr41 » Version: N/A
Digi » Transport Wr41 Firmware
Versions from including (>=) 6.0.0.0 and up to, including, (<=) 6.1.3.5
cpe:2.3:o:digi:transport_wr41_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Digi » Transport Wr41 » Version: N/A
Digi » Transport Wr41 Firmware
Versions from including (>=) 8.0.0.0 and up to, including, (<=) 8.3.1.2
cpe:2.3:o:digi:transport_wr41_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Digi » Transport Wr41 » Version: N/A
Digi » Transport Dr64 Firmware
Versions up to, including, (<=) 5.2.4.9
cpe:2.3:o:digi:transport_dr64_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Digi » Transport Dr64 » Version: N/A
Digi » Transport Dr64 Firmware » Version: N/A
cpe:2.3:o:digi:transport_dr64_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Digi » Transport Sr44 » Version: N/A
Digi » Transport Vc74 Firmware
Versions up to, including, (<=) 5.2.4.9
cpe:2.3:o:digi:transport_vc74_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Digi » Transport Vc74 » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2021-37188

EPSS FAQ

0.12%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 47 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-37188

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.5	MEDIUM	AV:N/AC:L/Au:S/C:P/I:P/A:P	8.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
8.8	HIGH	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	2.8	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2021-37188

CWE-345 Insufficient Verification of Data Authenticity

The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-37188

https://www.digi.com/search/results?q=transport

Search | Digi International
Vendor Advisory

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https://raw.githubusercontent.com/reidmefirst/vuln-disclosure/main/2021-04.txt

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Vulnerability Details : CVE-2021-37188

Products affected by CVE-2021-37188

Exploit prediction scoring system (EPSS) score for CVE-2021-37188

CVSS scores for CVE-2021-37188

CWE ids for CVE-2021-37188

References for CVE-2021-37188