{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-55038", "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "state": "PUBLISHED", "assignerShortName": "icscert", "dateReserved": "2025-09-16T20:09:26.660Z", "datePublished": "2025-09-23T22:24:28.676Z", "dateUpdated": "2025-09-24T14:07:38.232Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "CLICK PLUS C0-0x CPU firmware", "vendor": "AutomationDirect", "versions": [{"lessThan": "v3.71", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "product": "CLICK PLUS C0-1x CPU firmware", "vendor": "AutomationDirect", "versions": [{"lessThan": "v3.71", "status": "affected", "version": "0", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "product": "CLICK PLUS C2-x CPU firmware", "vendor": "AutomationDirect", "versions": [{"lessThan": "v3.71", "status": "affected", "version": "0", "versionType": "custom"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Luca Borzacchiello and Diego Zaffaroni of Nozomi Networks reported these vulnerabilities to Automation Direct."}], "datePublic": "2025-09-23T16:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<span style=\"background-color: rgb(255, 255, 255);\">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.</span>"}], "value": "An authorization bypass vulnerability has been discovered in the Click Plus C2-03CPU2 device firmware version 3.60. 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Block any unauthorized software.</li><li>Endpoint Protection \u2013 Use antivirus or EDR tools and configure host-based firewalls to block unauthorized access attempts.</li><li>Logging &amp; Monitoring \u2013 Enable and regularly review system logs to detect suspicious or unauthorized activity.</li><li>Backup &amp; Recovery \u2013 Maintain secure, tested backups of the PLC and its configurations to minimize downtime in case of an incident.</li><li>Ongoing Risk Assessment \u2013 Continuously evaluate risks associated with running outdated firmware and adjust compensating measures accordingly.</li></ul>\n\n<br>"}], "value": "AutomationDirect recommends that users update CLICK PLUS and firmware to V3.80. https://www.automationdirect.com/support/software-downloads \n\nIf the update cannot be applied right away, the following compensating controls are recommended until the upgrade can be performed:\n\n * Network Isolation \u2013 Disconnect the CLICK PLUS PLC from external networks (e.g., the internet or corporate LAN) to reduce exposure.\n * Secure Communications \u2013 Use only trusted, dedicated internal networks or air-gapped systems for device communication.\n * Access Control \u2013 Restrict both physical and logical access to authorized personnel only.\n * Application Whitelisting \u2013 Configure whitelisting so that only trusted, pre-approved applications are allowed to run. 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