CVE-2020-10920

9.8 criticalEPSS 4.9%

Critical (9.8) in automationdirect c-more hmi ea9 firmware. EPSS 4.9% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 4.9% chance of exploitation in the next 30 days; higher than 92% of CVEs (scores of 2026-10-31)
CWE: CWE-306
Published: 2020-07-23
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

automationdirect:c-more_hmi_ea9_firmware

References

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