What’s Vulnerable › Vulnerabilities
CVE-2019-18579
- Severity: medium (CVSS 6.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2019-12-16 · updated 2026-06-17
- Weakness: CWE-16
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 products
- Dell Xps 7390 Firmware: before 1.1.3 — fixed in 1.1.3
How to fix
Upgrade to a fixed version: Dell Xps 7390 Firmware 1.1.3. Check the vendor advisory for mitigations.
References
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