{"id":"CVE-2020-5376","aliases":["EUVD-2020-26558","GHSA-c55q-m48j-xjc6"],"status":"published","title":"Dell Inspiron 7347 BIOS versions prior to A13 contain a UEFI BIOS Boot Services overwrite...","description":"Dell Inspiron 7347 BIOS versions prior to A13 contain a UEFI BIOS Boot Services overwrite vulnerability. A local attacker with access to system memory may exploit this vulnerability by overwriting the EFI_BOOT_SERVICES structure to execute arbitrary code in System Management Mode (SMM).","severity":{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0039,"percentile":0.33413,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2020-09-02T20:55:18Z","modified":"2026-06-17T03:21:22Z","products":[{"vendor":"dell","product":"cpg bios"},{"vendor":"dell","product":"inspiron_7347_bios"}],"references":[{"url":"https://www.dell.com/support/article/SLN322616","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-5376"},{"url":"https://github.com/advisories/GHSA-c55q-m48j-xjc6"}],"sources":{"cve":[{"id":"CVE-2020-5376","description":"Dell Inspiron 7347 BIOS versions prior to A13 contain a UEFI BIOS Boot Services overwrite vulnerability. A local attacker with access to system memory may exploit this vulnerability by overwriting the EFI_BOOT_SERVICES structure to execute arbitrary code in System Management Mode (SMM).","status":"published","published":"2020-09-02T20:55:18.175Z","modified":"2024-09-16T22:55:30.381Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:35:47.22408Z"}],"euvd":[{"id":"EUVD-2020-26558","description":"Dell Inspiron 7347 BIOS versions prior to A13 contain a UEFI BIOS Boot Services overwrite vulnerability. A local attacker with access to system memory may exploit this vulnerability by overwriting the EFI_BOOT_SERVICES structure to execute arbitrary code in System Management Mode (SMM).","status":"published","published":"2020-09-02T20:55:18Z","modified":"2024-09-16T22:55:30Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-03T00:54:58.800859Z"}],"ghsa":[{"id":"GHSA-c55q-m48j-xjc6","title":"Dell Inspiron 7347 BIOS versions prior to A13 contain a UEFI BIOS Boot Services overwrite...","description":"Dell Inspiron 7347 BIOS versions prior to A13 contain a UEFI BIOS Boot Services overwrite vulnerability. A local attacker with access to system memory may exploit this vulnerability by overwriting the EFI_BOOT_SERVICES structure to execute arbitrary code in System Management Mode (SMM).","status":"published","published":"2022-05-24T17:27:15Z","modified":"2023-01-29T05:04:21Z","updated_at":"2026-11-02T14:45:32.201087Z"}],"nvd":[{"id":"CVE-2020-5376","description":"Dell Inspiron 7347 BIOS versions prior to A13 contain a UEFI BIOS Boot Services overwrite vulnerability. A local attacker with access to system memory may exploit this vulnerability by overwriting the EFI_BOOT_SERVICES structure to execute arbitrary code in System Management Mode (SMM).","status":"published","published":"2020-09-02T21:15:12.767Z","modified":"2026-06-17T03:21:22.737Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:06:13.600965Z"}]}}