CVE-2020-5363

Severity: medium (CVSS 6.7 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: 2020-06-10 · updated 2026-06-17
Weakness: CWE-158

Description

Select Dell Client Consumer and Commercial platforms include an issue that allows the BIOS Admin password to be changed through Dell's manageability interface without knowledge of the current BIOS Admin password. This could potentially allow an unauthorized actor, with physical access and/or OS administrator privileges to the device, to gain privileged access to the platform and the hard drive.

Affected products

Dell Latitude 5300 2-In-1 Firmware: before 1.9.4 — fixed in 1.9.4
Dell Latitude 5300 Firmware: before 1.9.4 — fixed in 1.9.4
Dell Latitude 5400 Firmware: before 1.7.4 — fixed in 1.7.4
Dell Latitude 5401 Firmware: before 1.8.4 — fixed in 1.8.4
Dell Latitude 5500 Firmware: before 1.7.4 — fixed in 1.7.4
Dell Latitude 5501 Firmware: before 1.8.4 — fixed in 1.8.4
Dell Latitude 7200 2 In 1 Firmware: before 1.8.0 — fixed in 1.8.0
Dell Latitude 7220 Firmware: before 1.6.0 — fixed in 1.6.0
Dell Latitude 7220Ex Rugged Extreme Tablet Firmware: before 1.6.0 — fixed in 1.6.0
Dell Latitude 7300 Firmware: before 1.7.4 — fixed in 1.7.4
Dell Latitude 7400 Firmware: before 1.7.4 — fixed in 1.7.4
Dell Precision 3540 Firmware: before 1.7.4 — fixed in 1.7.4
Dell Precision 3541 Firmware: before 1.8.4 — fixed in 1.8.4
Dell Precision 7540 Firmware: before 1.9.0 — fixed in 1.9.0
Dell Precision 7740 Firmware: before 1.9.0 — fixed in 1.9.0
Dell Xps 13 9300 Firmware: before 1.0.11 — fixed in 1.0.11
Dell Xps 7390 2-In-1 Firmware: before 1.4.0 — fixed in 1.4.0
Dell Xps 7590 Firmware: before 1.7.0 — fixed in 1.7.0

How to fix

Upgrade to a fixed version: Dell Latitude 5300 2-In-1 Firmware 1.9.4; Dell Latitude 5300 Firmware 1.9.4; Dell Latitude 5400 Firmware 1.7.4; Dell Latitude 5401 Firmware 1.8.4; Dell Latitude 5500 Firmware 1.7.4; Dell Latitude 5501 Firmware 1.8.4; Dell Latitude 7200 2 In 1 Firmware 1.8.0; Dell Latitude 7220 Firmware 1.6.0; Dell Latitude 7220Ex Rugged Extreme Tablet Firmware 1.6.0; Dell Latitude 7300 Firmware 1.7.4; Dell Latitude 7400 Firmware 1.7.4; Dell Precision 3540 Firmware 1.7.4. Check the vendor advisory for mitigations.

References

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