Missing authentication in AutomationDirect HMI EA9
Priority MEDIUM 50CWE-306Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-306.
Summary
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.
Why it matters now
EPSS 0.04922 92nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| AutomationDirect | HMI EA9 | Firmware version 6.52 | — | No fix listed | CNA |
- HMI EA9 VendorAutomationDirect Affected Firmware version 6.52 Fixed in — No fix listed CNA
CPE configurations NVD · 13
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:automationdirect:c-more_hmi_ea9_firmware:6.52:*:*:*:*:*:*:* | 6.52 | Vulnerable | AutomationDirect |
| cpe:2.3:h:automationdirect:ea9-pgmsw:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AutomationDirect |
| cpe:2.3:h:automationdirect:ea9-rhmi:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AutomationDirect |
| cpe:2.3:h:automationdirect:ea9-t10cl:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AutomationDirect |
| cpe:2.3:h:automationdirect:ea9-t10wcl:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AutomationDirect |
| cpe:2.3:h:automationdirect:ea9-t12cl:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AutomationDirect |
| cpe:2.3:h:automationdirect:ea9-t15cl:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AutomationDirect |
| cpe:2.3:h:automationdirect:ea9-t15cl-r:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AutomationDirect |
| cpe:2.3:h:automationdirect:ea9-t6cl:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AutomationDirect |
| cpe:2.3:h:automationdirect:ea9-t6cl-r:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AutomationDirect |
- cpe:2.3:o:automationdirect:c-more_hmi_ea9_firmware:6.52:*:*:*:*:*:*:* Versions 6.52 Vulnerable ·AutomationDirect
- cpe:2.3:h:automationdirect:ea9-pgmsw:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AutomationDirect
- cpe:2.3:h:automationdirect:ea9-rhmi:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AutomationDirect
- cpe:2.3:h:automationdirect:ea9-t10cl:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AutomationDirect
- cpe:2.3:h:automationdirect:ea9-t10wcl:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AutomationDirect
- cpe:2.3:h:automationdirect:ea9-t12cl:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AutomationDirect
- cpe:2.3:h:automationdirect:ea9-t15cl:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AutomationDirect
- cpe:2.3:h:automationdirect:ea9-t15cl-r:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AutomationDirect
- cpe:2.3:h:automationdirect:ea9-t6cl:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AutomationDirect
- cpe:2.3:h:automationdirect:ea9-t6cl-r:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AutomationDirect
Show 3 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:h:automationdirect:ea9-t7cl:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AutomationDirect |
| cpe:2.3:h:automationdirect:ea9-t7cl-r:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AutomationDirect |
| cpe:2.3:h:automationdirect:ea9-t8cl:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AutomationDirect |
- cpe:2.3:h:automationdirect:ea9-t7cl:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AutomationDirect
- cpe:2.3:h:automationdirect:ea9-t7cl-r:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AutomationDirect
- cpe:2.3:h:automationdirect:ea9-t8cl:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AutomationDirect
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-10920
- 2026-10-03 Alias added: GHSA-23g6-ppxq-qcwm
References
More AutomationDirect C-more Hmi Ea9 Firmware vulnerabilities
- TI-2020-08802 Missing authentication in AutomationDirect HMI EA9 CVSS 3.1CRITICAL 9.8
- TI-2020-08803 Improper input validation in AutomationDirect HMI EA9 CVSS 3.1HIGH 7.5
- TI-2020-08799 Improper authentication in AutomationDirect HMI EA9 CVSS 3.1HIGH 7.5
- TI-2020-08800 This vulnerability allows remote attackers to disclose sensitive information on affected… CVSS 3.1MEDIUM 5.9
Sources
- CVE-2020-10920 · CVE Program
- CVE-2020-10920 · NVD
- FIRST EPSS
- GHSA-23g6-ppxq-qcwm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences