{"id":"CVE-2025-55038","aliases":["EUVD-2025-30934","GHSA-28rh-fv64-h63q"],"status":"published","title":"AutomationDirect CLICK PLUS Missing Authorization","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.","severity":{"version":"4.0","score":7.6,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0026,"percentile":0.17761,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2025-09-23T22:24:28Z","modified":"2026-10-18T21:10:00Z","products":[{"vendor":"automationdirect","product":"click plus c0-0x cpu firmware"},{"vendor":"automationdirect","product":"click plus c0-1x cpu firmware"},{"vendor":"automationdirect","product":"click plus c2-x cpu firmware"}],"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-25-266-01"},{"url":"https://www.automationdirect.com/support/software-downloads"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-55038"},{"url":"https://github.com/advisories/GHSA-28rh-fv64-h63q"}],"sources":{"cve":[{"id":"CVE-2025-55038","title":"AutomationDirect CLICK PLUS Missing Authorization","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.","status":"published","published":"2025-09-23T22:24:28.676Z","modified":"2025-09-24T14:07:38.232Z","cvss":[{"version":"4.0","score":7.6,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:32:52.839698Z"}],"euvd":[{"id":"EUVD-2025-30934","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.","status":"published","published":"2025-09-23T22:24:28Z","modified":"2025-09-24T14:07:38Z","cvss":[{"version":"4.0","score":7.6,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T20:31:40.063213Z"}],"ghsa":[{"id":"GHSA-28rh-fv64-h63q","title":"An authorization bypass vulnerability has been discovered in the Click Plus C2-03CPU2 device...","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.","status":"published","published":"2025-09-24T00:30:41Z","modified":"2025-09-24T00:30:46Z","cvss":[{"version":"4.0","score":7.6,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:03:44.74353Z"}],"nvd":[{"id":"CVE-2025-55038","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.","status":"published","published":"2025-09-23T23:15:30.497Z","modified":"2026-10-18T21:10:00.12Z","cvss":[{"version":"4.0","score":7.6,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:11:32.559087Z"}]}}