CVE-2020-10920

CRITICAL

C-MORE HMI EA9 Firmware <6.52 - RCE

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Third Party Advisory, VDB Entry x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-20-808/

Scores

CVSS v3 9.8
EPSS 0.0492
EPSS Percentile 91.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-306
Status published
Products (1)
automationdirect/c-more_hmi_ea9_firmware 6.52
Published Jul 23, 2020
Tracked Since Feb 18, 2026