PT-2020-12423 · C More · C-More Ea9 Hmi

Evanslify · Published 2020-07-07 · Updated 2020-07-28 · CVE-2020-10922

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions C-MORE HMI EA9 Firmware version 6.52

Description This issue allows remote attackers to create a denial-of-service condition on affected installations. Authentication is not required to exploit this issue. The specific flaw exists within the EA-HTTP.exe process, resulting from the lack of proper input validation prior to further processing user requests. An attacker can leverage this issue to create a denial-of-service condition on the system.

Recommendations For C-MORE HMI EA9 Firmware version 6.52, consider implementing proper input validation for the EA-HTTP.exe process to prevent exploitation. As a temporary workaround, restrict access to the EA-HTTP.exe process until a patch is available. At the moment, there is no information about a newer version that contains a fix for this issue.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2020-10922

ZDI-20-809

Affected Products

C-More Ea9 Hmi

References · 4

• https://zerodayinitiative.com/advisories/ZDI-20-809 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-10922 · Security Note
• https://osv.dev/vulnerability/CVE-2020-10922 · Vendor Advisory
• https://t.me/cibsecurity/13627 · Telegram Post