Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-35978

Severity CVSS v4.0:
Pending analysis
Type:
CWE-77 Command Injection
Publication date:
10/12/2021
Last modified:
14/12/2021

Description

An issue was discovered in Digi TransPort DR64, SR44 VC74, and WR. The ZING protocol allows arbitrary remote command execution with SUPER privileges. This allows an attacker (with knowledge of the protocol) to execute arbitrary code on the controller including overwriting firmware, adding/removing users, disabling the internal firewall, etc.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
9.80
Severity 3.x
CRITICAL
Vector 2.0
AV:N/AC:L/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 10.00 HIGH
Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0
10.00
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:digi:transport_dr64_firmware:*:*:*:*:*:*:*:* 5.2.4.9 (including)
cpe:2.3:h:digi:transport_dr64:-:*:*:*:*:*:*:*
cpe:2.3:o:digi:transport_sr44_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:digi:transport_sr44:-:*:*:*:*:*:*:*
cpe:2.3:o:digi:transport_vc74_firmware:*:*:*:*:*:*:*:* 5.2.4.9 (including)
cpe:2.3:h:digi:transport_vc74:-:*:*:*:*:*:*:*
cpe:2.3:o:digi:transport_wr11_firmware:*:*:*:*:*:*:*:* 8.2.1.3 (including)
cpe:2.3:h:digi:transport_wr11:-:*:*:*:*:*:*:*
cpe:2.3:o:digi:transport_wr11_xt_firmware:*:*:*:*:*:*:*:* 8.2.1.3 (including)
cpe:2.3:h:digi:transport_wr11_xt:-:*:*:*:*:*:*:*
cpe:2.3:o:digi:transport_wr21_firmware:*:*:*:*:*:*:*:* 8.2.1.3 (including)
cpe:2.3:h:digi:transport_wr21:-:*:*:*:*:*:*:*
cpe:2.3:o:digi:transport_wr31_firmware:*:*:*:*:*:*:*:* 8.2.1.3 (including)
cpe:2.3:h:digi:transport_wr31:-:*:*:*:*:*:*:*
cpe:2.3:o:digi:transport_wr41_firmware:*:*:*:*:*:*:*:* 5.0.0.0 (including) 5.2.4.6 (including)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools