Products
UNKNOWN
Source
psirt@amd.com
Tags
CVE-2023-20578 details
Published : Aug. 13, 2024, 5:15 p.m.
Last Modified : Aug. 13, 2024, 5:15 p.m.
Last Modified : Aug. 13, 2024, 5:15 p.m.
Description
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 Score
| 1 | 2 | 3 | 4 | 5 | 6 | 7.5 | 8 | 9 | 10 |
|---|
Weakness
| Weakness | Name | Description |
|---|
CVSS Data
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Base Score
7.5
Exploitability Score
0.8
Impact Score
6.0
Base Severity
HIGH
Vector String : CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
References
| URL | Source |
|---|---|
| https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html | psirt@amd.com |
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