CVE-2025-55038

AutomationDirect CLICK PLUS Missing Authorization

State
Published
Severity
7.6 High
Published
Sep 23, 2025
Updated
Sep 24, 2025
Reserved
Sep 16, 2025

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
4.07.6 HighCVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:Nicscert
3.16.8 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Nicscert

Weaknesses

Affected Products

ProductVersions
CLICK PLUS C0-0x CPU firmwareAutomationDirect
  • before v3.71Affected
CLICK PLUS C0-1x CPU firmwareAutomationDirect
  • before v3.71Affected
CLICK PLUS C2-x CPU firmwareAutomationDirect
  • before v3.71Affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.