{"id":"CVE-2020-5388","aliases":["EUVD-2020-26570","GHSA-mm45-c98x-rq98"],"status":"published","title":"Dell Inspiron 15 7579 2-in-1 BIOS versions prior to 1.31.0 contain an Improper SMM communication...","description":"Dell Inspiron 15 7579 2-in-1 BIOS versions prior to 1.31.0 contain an Improper SMM communication buffer verification vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.","severity":{"version":"3.1","score":6.9,"vector":"CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00273,"percentile":0.19866,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2020-11-10T14:50:14Z","modified":"2026-06-17T03:21:23Z","products":[{"vendor":"dell","product":"cpg bios"},{"vendor":"dell","product":"inspiron_15_7579_firmware"}],"references":[{"url":"https://www.dell.com/support/article/en-us/sln322869/dsa-2020-215-dell-inspiron-15-7579-2-in-1-improper-smm-communication-buffer-boundary-verification-vulnerability","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-5388"},{"url":"https://github.com/advisories/GHSA-mm45-c98x-rq98"}],"sources":{"cve":[{"id":"CVE-2020-5388","description":"Dell Inspiron 15 7579 2-in-1 BIOS versions prior to 1.31.0 contain an Improper SMM communication buffer verification vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.","status":"published","published":"2020-11-10T14:50:14.538Z","modified":"2024-09-16T22:31:03.611Z","cvss":[{"version":"3.1","score":6.9,"vector":"CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:35:47.56691Z"}],"euvd":[{"id":"EUVD-2020-26570","description":"Dell Inspiron 15 7579 2-in-1 BIOS versions prior to 1.31.0 contain an Improper SMM communication buffer verification vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.","status":"published","published":"2020-11-10T14:50:14Z","modified":"2024-09-16T22:31:03Z","cvss":[{"version":"3.1","score":6.9,"vector":"CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-03T00:55:02.001238Z"}],"ghsa":[{"id":"GHSA-mm45-c98x-rq98","title":"Dell Inspiron 15 7579 2-in-1 BIOS versions prior to 1.31.0 contain an Improper SMM communication...","description":"Dell Inspiron 15 7579 2-in-1 BIOS versions prior to 1.31.0 contain an Improper SMM communication buffer verification vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.","status":"published","published":"2022-05-24T17:34:05Z","modified":"2023-01-29T05:05:20Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:45:45.932105Z"}],"nvd":[{"id":"CVE-2020-5388","description":"Dell Inspiron 15 7579 2-in-1 BIOS versions prior to 1.31.0 contain an Improper SMM communication buffer verification vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.","status":"published","published":"2020-11-10T15:15:12.657Z","modified":"2026-06-17T03:21:23.71Z","cvss":[{"version":"3.1","score":6.9,"vector":"CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.9,"vector":"CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.4,"vector":"AV:L/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:06:24.137599Z"}]}}