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CVE-2020-5378

MEDIUM

6.8

CVSS Score

Published: September 2, 2020 at 08:55 PM UTC

Updated: June 17, 2026 at 03:21 AM UTC

3 products affected across 1 vendorG7 17 7790 BIOSG7 17 7790CPG BIOS

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Severity

MEDIUM6.8

Exploit prediction

EPSS 0.4%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

G7 17 7790 BIOS · Dell

95%

v < 1.13.2

Affected range stops below 1.13.2, so it looks safe — our inference, not a vendor statement

dell-g7-17-7790 (same device)

CPG BIOS · Dell

60%

v < 1.13.0

Affected range stops below 1.13.0, so it looks safe — our inference, not a vendor statement

G7 17 7790 · Delldevice

80%

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://www.dell.com/support/article/SLN322616

References (1)

x_refsource_MISCVendor Advisory

Source: [email protected]

https://www.dell.com/support/article/SLN322616

CVSS

6.8MEDIUMdell

Attack Vector: PHYSICAL
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-416

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