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

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CVE-2020-10920

Severity CVSS v4.0:
Pending analysis
Type:
CWE-306 Missing Authentication for Critical Function
Publication date:
23/07/2020
Last modified:
28/07/2020

Description

This vulnerability allows remote attackers to execute arbitrary code on affected installations of C-MORE HMI EA9 Firmware version 6.52 touch screen panels. Authentication is not required to exploit this vulnerability. The specific flaw exists within the control service, which listens on TCP port 9999 by default. The issue results from the lack of authentication prior to allowing alterations to the system configuration. An attacker can leverage this vulnerability to execute code in the context of the device. Was ZDI-CAN-10493.

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:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

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

Base Score 2.0
7.50
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:automationdirect:c-more_hmi_ea9_firmware:6.52:*:*:*:*:*:*:*
cpe:2.3:h:automationdirect:ea9-pgmsw:-:*:*:*:*:*:*:*
cpe:2.3:h:automationdirect:ea9-rhmi:-:*:*:*:*:*:*:*
cpe:2.3:h:automationdirect:ea9-t10cl:-:*:*:*:*:*:*:*
cpe:2.3:h:automationdirect:ea9-t10wcl:-:*:*:*:*:*:*:*
cpe:2.3:h:automationdirect:ea9-t12cl:-:*:*:*:*:*:*:*
cpe:2.3:h:automationdirect:ea9-t15cl:-:*:*:*:*:*:*:*
cpe:2.3:h:automationdirect:ea9-t15cl-r:-:*:*:*:*:*:*:*
cpe:2.3:h:automationdirect:ea9-t6cl:-:*:*:*:*:*:*:*
cpe:2.3:h:automationdirect:ea9-t6cl-r:-:*:*:*:*:*:*:*
cpe:2.3:h:automationdirect:ea9-t7cl:-:*:*:*:*:*:*:*
cpe:2.3:h:automationdirect:ea9-t7cl-r:-:*:*:*:*:*:*:*
cpe:2.3:h:automationdirect:ea9-t8cl:-:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools