How severe is CVE-2020-10922?

CVE-2020-10922 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-10922 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-10922?

CVE-2020-10922 affects Automationdirect C-more Hmi Ea9 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-10922?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-10922 published?

CVE-2020-10922 was published on 2020-07-23 and last updated on 2026-06-17.

CVE-2020-10922

CVE-2020-10922 is a high-severity vulnerability in Automationdirect C-more Hmi Ea9 Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Automationdirect C-more Hmi Ea9 Firmware
Published: 2020-07-23
Last modified: 2026-06-17

Description

This vulnerability allows remote attackers to create a denial-of-service condition 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 proper input validation prior to further processing user requests. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-10527.

Frequently asked questions

What is CVE-2020-10922?: This vulnerability allows remote attackers to create a denial-of-service condition 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 proper input validation prior to further processing user requests. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-10527.
How severe is CVE-2020-10922?: CVE-2020-10922 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-10922 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-10922?: CVE-2020-10922 affects Automationdirect C-more Hmi Ea9 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-10922?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-10922 published?: CVE-2020-10922 was published on 2020-07-23 and last updated on 2026-06-17.

References

https://www.zerodayinitiative.com/advisories/ZDI-20-809/

Affected products (1)

cpe:2.3:o:automationdirect:c-more_hmi_ea9_firmware:6.52:*:*:*:*:*:*:*

More vulnerabilities in Automationdirect C-more Hmi Ea9 Firmware

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CVE-2020-10919 — Medium (CVSS 5.9): This vulnerability allows remote attackers to disclose sensitive information on affected installations of C-MORE HMI…

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