CVE-2023-28073

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-06-23 · updated 2026-06-17
Weakness: CWE-287

Description

Dell BIOS contains an improper authentication vulnerability. A locally authenticated malicious user may potentially exploit this vulnerability by bypassing certain authentication mechanisms in order to elevate privileges on the system.

Affected products

Dell Latitude 5530 Firmware: before 1.13.2 — fixed in 1.13.2
Dell Precision 3570 Firmware: before 1.13.2 — fixed in 1.13.2

How to fix

Upgrade to a fixed version: Dell Latitude 5530 Firmware 1.13.2; Dell Precision 3570 Firmware 1.13.2. Check the vendor advisory for mitigations.

References

https://www.dell.com/support/kbdoc/en-us/000213032/dsa-2023-160-dell-client
https://www.dell.com/support/kbdoc/en-us/000213032/dsa-2023-160-dell-client

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