Auth bypass in Automationdirect C-More Hmi Ea9 Firmware

CVE-2020-10921

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.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.028 (86.3th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-10921: held from 0.028 to 0.028.

EPSS over last 30 days · oldest: 0.028 · newest: 0.028 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-10921?
CVE-2020-10921 is a critical-severity vulnerability in Automationdirect C-More Hmi Ea9 Firmware, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2020-07-23.
How severe is CVE-2020-10921?
Critical severity. CVSS v3 base score is 9.8 out of 10.