Is CVE-2020-10921 actively exploited?

No active exploitation of CVE-2020-10921 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2020-10921 be exploited remotely?

Yes. CVE-2020-10921 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2020-10921?

CVE-2020-10921 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2020-10921

CWE-306Published: July 23, 2020· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

This vulnerability allows remote attackers to issue commands 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 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. Was ZDI-CAN-10482.

NVD Source

Technical Analysis

CVE-2020-10921 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.