What’s Vulnerable › Vulnerabilities
CVE-2020-5378
- Severity: medium (CVSS 6.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2020-09-02 · updated 2026-06-17
- Weakness: CWE-416
Description
Dell G7 17 7790 BIOS versions prior to 1.13.2 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 G7 17 7790 Bios: before 1.13.2 — fixed in 1.13.2
How to fix
Upgrade to a fixed version: Dell G7 17 7790 Bios 1.13.2. Check the vendor advisory for mitigations.
References
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