{"id":"CVE-2018-9084","aliases":["EUVD-2018-20687","GHSA-33x6-2v6v-hj27"],"status":"published","title":"System Management Module Vulnerabilities","description":"In System Management Module (SMM) versions prior to 1.06, if an attacker manages to log in to the device OS, the validation of software updates can be circumvented.","severity":{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00733,"percentile":0.54631,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2018-11-27T14:00:00Z","modified":"2026-06-17T02:06:03Z","products":[{"vendor":"lenovo","product":"system_management_module_firmware"},{"vendor":"lenovo","product":"thinksystem smm"}],"references":[{"url":"https://support.lenovo.com/us/en/solutions/LEN-24374","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-9084"},{"url":"https://github.com/advisories/GHSA-33x6-2v6v-hj27"}],"sources":{"cve":[{"id":"CVE-2018-9084","title":"System Management Module Vulnerabilities","description":"In System Management Module (SMM) versions prior to 1.06, if an attacker manages to log in to the device OS, the validation of software updates can be circumvented.","status":"published","published":"2018-11-27T14:00:00Z","modified":"2024-08-05T07:17:50.623Z","updated_at":"2026-11-02T14:35:02.289647Z"}],"euvd":[{"id":"EUVD-2018-20687","description":"In System Management Module (SMM) versions prior to 1.06, if an attacker manages to log in to the device OS, the validation of software updates can be circumvented.","status":"published","published":"2018-11-27T14:00:00Z","modified":"2024-08-05T07:17:50Z","updated_at":"2026-11-03T02:40:00.889185Z"}],"ghsa":[{"id":"GHSA-33x6-2v6v-hj27","title":"In System Management Module (SMM) versions prior to 1.06, if an attacker manages to log in to the...","description":"In System Management Module (SMM) versions prior to 1.06, if an attacker manages to log in to the device OS, the validation of software updates can be circumvented.","status":"published","published":"2022-05-13T01:53:51Z","modified":"2023-02-02T05:02:21Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T14:51:25.546182Z"}],"nvd":[{"id":"CVE-2018-9084","description":"In System Management Module (SMM) versions prior to 1.06, if an attacker manages to log in to the device OS, the validation of software updates can be circumvented.","status":"published","published":"2018-11-27T14:29:00.713Z","modified":"2026-06-17T02:06:03.463Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:04:48.987926Z"}]}}