Name: CVE-2023-20578: Time-of-check Time-of-use (TOCTOU) Race Condition
Creator: Rapid7
Published: 2024-08-13T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2023-20578, CVSS 7.5, EPSS 0.00116

A TOCTOU (Time-Of-Check-Time-Of-Use) in SMM may allow an attacker with ring0 privileges and access to the BIOS menu or UEFI shell to modify the communications buffer potentially resulting in arbitrary code execution.

CVSS Details

CVSS 3.1 Base Score: 7.5
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Dell Poweredge Dsa2024350	—	Upgrade Dell PowerEdge to the latest version	Jan 12, 2026	Aug 13, 2024

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CVSS Details

Covered by Rapid7

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