{"id":"CVE-2021-27424","aliases":["EUVD-2021-14178","GHSA-hvjm-qmp9-pw7f"],"status":"published","title":"GE UR family exposure of sensitive information to an unauthorized actor","description":"GE UR firmware versions prior to version 8.1x shares MODBUS memory map as part of the communications guide. GE was made aware a “Last-key pressed” MODBUS register can be used to gain unauthorized information.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00854,"percentile":0.58798,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200","CWE-668"],"published":"2022-03-23T19:46:25Z","modified":"2026-06-17T03:44:49Z","products":[{"vendor":"ge","product":"multilin_b30_firmware"},{"vendor":"ge","product":"multilin_b90_firmware"},{"vendor":"ge","product":"multilin_c30_firmware"},{"vendor":"ge","product":"multilin_c60_firmware"},{"vendor":"ge","product":"multilin_c70_firmware"},{"vendor":"ge","product":"multilin_c95_firmware"},{"vendor":"ge","product":"multilin_d30_firmware"},{"vendor":"ge","product":"multilin_d60_firmware"},{"vendor":"ge","product":"multilin_f35_firmware"},{"vendor":"ge","product":"multilin_f60_firmware"},{"vendor":"ge","product":"multilin_g30_firmware"},{"vendor":"ge","product":"multilin_g60_firmware"},{"vendor":"ge","product":"multilin_l30_firmware"},{"vendor":"ge","product":"multilin_l60_firmware"},{"vendor":"ge","product":"multilin_l90_firmware"},{"vendor":"ge","product":"multilin_m60_firmware"},{"vendor":"ge","product":"multilin_n60_firmware"},{"vendor":"ge","product":"multilin_t35_firmware"},{"vendor":"ge","product":"multilin_t60_firmware"},{"vendor":"ge","product":"ur family"}],"references":[{"url":"https://www.cisa.gov/uscert/ics/advisories/icsa-21-075-02","tags":["x_refsource_CONFIRM","x_transferred","Mitigation","Third Party Advisory","US Government Resource"]},{"url":"https://www.gegridsolutions.com/Passport/Login.aspx","tags":["x_refsource_CONFIRM","x_transferred","Permissions Required","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-27424"},{"url":"https://github.com/advisories/GHSA-hvjm-qmp9-pw7f"}],"sources":{"cve":[{"id":"CVE-2021-27424","title":"GE UR family exposure of sensitive information to an unauthorized actor","description":"GE UR firmware versions prior to version 8.1x shares MODBUS memory map as part of the communications guide. GE was made aware a “Last-key pressed” MODBUS register can be used to gain unauthorized information.","status":"published","published":"2022-03-23T19:46:25Z","modified":"2025-04-16T16:40:47.222Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:33:04.360272Z"}],"euvd":[{"id":"EUVD-2021-14178","description":"GE UR firmware versions prior to version 8.1x shares MODBUS memory map as part of the communications guide. GE was made aware a “Last-key pressed” MODBUS register can be used to gain unauthorized information.","status":"published","published":"2022-03-23T19:46:25Z","modified":"2025-04-16T16:40:47Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T20:52:23.396616Z"}],"ghsa":[{"id":"GHSA-hvjm-qmp9-pw7f","title":"GE UR firmware versions prior to version 8.1x shares MODBUS memory map as part of the...","description":"GE UR firmware versions prior to version 8.1x shares MODBUS memory map as part of the communications guide. GE was made aware a “Last-key pressed” MODBUS register can be used to gain unauthorized information.","status":"published","published":"2022-03-24T00:00:20Z","modified":"2023-01-27T05:01:01Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-668"],"updated_at":"2026-11-02T14:41:47.978566Z"}],"nvd":[{"id":"CVE-2021-27424","description":"GE UR firmware versions prior to version 8.1x shares MODBUS memory map as part of the communications guide. GE was made aware a “Last-key pressed” MODBUS register can be used to gain unauthorized information.","status":"published","published":"2022-03-23T20:15:08.417Z","modified":"2026-06-17T03:44:49.95Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","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-200","CWE-668"],"updated_at":"2026-11-02T14:07:05.581807Z"}]}}