CVE-2020-5376: Dell Inspiron 7347 BIOS

Medium severity, CVSS 6.8. EPSS: 0.4% chance of exploitation in the next 30 days.

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).

Affected products

• Dell Inspiron 7347 BIOS: before a13 (fixed in a13)

Published 2020-09-02. Last modified 2026-06-17.