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C-MORE HMI EA9 EA-HTTP Missing Authentication for Critical Function Remote Code Execution Vulnerability

July 7th, 2020

Vulnerability Details

This vulnerability allows remote attackers to issue commands on affected installations of C-More HMI EA9 touch screen panels. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the EA-HTTP.exe process. The issue results from the lack of authentication prior to allowing alterations to the system configuration. An attacker can leverage this vulnerability to issue commands to the physical equipment controlled by the device.

Additional Details

Fixed in version 6.60


Disclosure Timeline

  • 2020-02-26 - Vulnerability reported to vendor
  • 2020-07-07 - Coordinated public release of advisory
  • 2020-07-08 - Advisory Updated

Credit

Ta-Lun Yen & Chizuru Toyama of TXOne IoT/ICS Security Research Labs (Trend Micro)

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