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Vulnerability · Published Sep 23, 2025 · Assigned by icscert

CVE-2025-55038AutomationDirect CLICK PLUS Missing Authorization

Medium 6.8

In plain English

A medium-severity missing authorization in CLICK PLUS C0-0x CPU firmware from AutomationDirect. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities).

Severity (CVSS 3.1)6.8Medium
Exploit odds (30 days)0.3%top 82.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

An authorization bypass vulnerability has been discovered in the Click Plus C2-03CPU2 device firmware version 3.60. Through the KOPR protocol utilized by the Remote PLC application, authenticated users with low-level access permissions can exploit this vulnerability to read and modify PLC variables beyond their intended authorization level.

Affected products (as reported)

VendorProductVersions
AutomationDirect CLICK PLUS C0-0x CPU firmware 0 – before v3.71
AutomationDirect CLICK PLUS C0-1x CPU firmware 0 – before v3.71
AutomationDirect CLICK PLUS C2-x CPU firmware 0 – before v3.71

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

References