PT-2020-12420 · C More · C-More Hmi Ea9 Firmware

Chizuru Toyama + 1 · Published 2020-07-07 · Updated 2022-09-27 · CVE-2020-10919

Positive Technologies (AI Summary)

CVSS v3.1

5.9

Medium

Base vector

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

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

Description This issue allows remote attackers to disclose sensitive information on affected installations. Authentication is not required to exploit this issue. The specific flaw exists within the handling of passwords, where passwords are encrypted in a recoverable format using a hard-coded key. An attacker can leverage this issue to disclose credentials, leading to further compromise.

Recommendations For C-MORE HMI EA9 Firmware version 6.52, consider disabling password transmission or restricting access to the password handling mechanism until a patch is available. As a temporary workaround, avoid using the touch screen panels for sensitive operations until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this issue.

Fix

Inadequate Encryption Strength

Weakness Enumeration

CWE-261

CWE-326

Related Identifiers

CVE-2020-10919

ZDI-20-806

Affected Products

C-More Hmi Ea9 Firmware

References · 5

• https://osv.dev/vulnerability/CVE-2020-10919 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-20-806 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-10919 · Security Note
• https://t.me/cvenotify/36835 · Telegram Post
• https://t.me/cibsecurity/13630 · Telegram Post