{"id":"CVE-2021-32982","aliases":["EUVD-2021-19703","GHSA-qf82-v8c9-p3px"],"status":"published","title":"Automation Direct CLICK PLC CPU Modules Cleartext Transmission of Sensitive Information","description":"Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 passwords are sent as plaintext during unlocking and project transfers. An attacker who has network visibility can observe the password exchange.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00651,"percentile":0.51474,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-319"],"published":"2022-04-04T19:45:57Z","modified":"2026-06-17T03:53:56Z","products":[{"vendor":"automation direct","product":"click plc cpu modules: c0-1x cpus"},{"vendor":"automationdirect","product":"c0-10are-d_firmware"},{"vendor":"automationdirect","product":"c0-10dd1e-d_firmware"},{"vendor":"automationdirect","product":"c0-10dd2e-d_firmware"},{"vendor":"automationdirect","product":"c0-10dre-d_firmware"},{"vendor":"automationdirect","product":"c0-11are-d_firmware"},{"vendor":"automationdirect","product":"c0-11dd1e-d_firmware"},{"vendor":"automationdirect","product":"c0-11dd2e-d_firmware"},{"vendor":"automationdirect","product":"c0-11dre-d_firmware"},{"vendor":"automationdirect","product":"c0-12are-1-d_firmware"},{"vendor":"automationdirect","product":"c0-12are-2-d_firmware"},{"vendor":"automationdirect","product":"c0-12are-d_firmware"},{"vendor":"automationdirect","product":"c0-12dd1e-1-d_firmware"},{"vendor":"automationdirect","product":"c0-12dd1e-2-d_firmware"},{"vendor":"automationdirect","product":"c0-12dd1e-d_firmware"},{"vendor":"automationdirect","product":"c0-12dd2e-1-d_firmware"},{"vendor":"automationdirect","product":"c0-12dd2e-2-d_firmware"},{"vendor":"automationdirect","product":"c0-12dd2e-d_firmware"},{"vendor":"automationdirect","product":"c0-12dre-1-d_firmware"},{"vendor":"automationdirect","product":"c0-12dre-2-d_firmware"},{"vendor":"automationdirect","product":"c0-12dre-d_firmware"}],"references":[{"url":"https://www.cisa.gov/uscert/ics/advisories/icsa-21-166-02","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-32982"},{"url":"https://github.com/advisories/GHSA-qf82-v8c9-p3px"}],"sources":{"cve":[{"id":"CVE-2021-32982","title":"Automation Direct CLICK PLC CPU Modules Cleartext Transmission of Sensitive Information","description":"Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 passwords are sent as plaintext during unlocking and project transfers. An attacker who has network visibility can observe the password exchange.","status":"published","published":"2022-04-04T19:45:57Z","modified":"2025-04-16T16:31:26.622Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-319"],"updated_at":"2026-11-02T14:33:07.014772Z"}],"euvd":[{"id":"EUVD-2021-19703","description":"Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 passwords are sent as plaintext during unlocking and project transfers. An attacker who has network visibility can observe the password exchange.","status":"published","published":"2022-04-04T19:45:57Z","modified":"2025-04-16T16:31:26Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T20:52:23.922531Z"}],"ghsa":[{"id":"GHSA-qf82-v8c9-p3px","title":"Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 passwords are...","description":"Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 passwords are sent as plaintext during unlocking and project transfers. An attacker who has network visibility can observe the password exchange.","status":"published","published":"2022-04-05T00:00:22Z","modified":"2023-01-27T05:01:20Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-319"],"updated_at":"2026-11-02T14:41:52.138061Z"}],"nvd":[{"id":"CVE-2021-32982","description":"Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 passwords are sent as plaintext during unlocking and project transfers. An attacker who has network visibility can observe the password exchange.","status":"published","published":"2022-04-04T20:15:09.047Z","modified":"2026-06-17T03:53:56.787Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-319"],"updated_at":"2026-11-02T14:07:05.581807Z"}]}}