CVE-2020-10920

State: Published
Severity: 9.8 Critical
Published: Jul 23, 2020
Updated: Aug 4, 2024
Reserved: Mar 24, 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.

Scores

CVSS	Score	Vector	Source
3.0	9.8 Critical	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	zdi

Weaknesses

CWE-306 Missing Authentication for Critical Function

Affected Products

Product	Versions
HMI EA9C-MORE	Firmware version 6.52Affected

References

https://www.zerodayinitiative.com/advisories/ZDI-20-808/

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