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CVE-2019-18579

MEDIUM
6.8
CVSS Score
Published: December 16, 2019 at 07:45 PM UTC
Updated: June 17, 2026 at 02:25 AM UTC
3 products affected across 1 vendorXps 7390 FirmwareXps 7390CPG BIOS

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Severity
MEDIUM6.8
Exploit prediction
EPSS 0.3%

Description

Settings for the Dell XPS 13 2-in-1 (7390) BIOS versions prior to 1.1.3 contain a configuration vulnerability. The BIOS configuration for the "Enable Thunderbolt (and PCIe behind TBT) pre-boot modules" setting is enabled by default. A local unauthenticated attacker with physical access to a user's system can obtain read or write access to main memory via a DMA attack during platform boot.

Affected

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

Xps 7390 Firmware· Dell
95%
v < 1.1.3
Affected range stops below 1.1.3, so it looks safe — our inference, not a vendor statement
dell-xps-7390 (same device)
CPG BIOS· Dell
60%
v < 1.1.3
Affected range stops below 1.1.3, so it looks safe — our inference, not a vendor statement
Xps 7390· 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

References (1)

x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://www.dell.com/support/article/SLN319808

CVSS

6.8MEDIUM[email protected]
Attack Vector
PHYSICAL
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-16NVD-CWE-Other

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