Products
AMD BIOS Firmware
Source
psirt@amd.com
Tags
CVE-2021-26344 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
An out of bounds memory write when processing the AMD PSP1 Configuration Block (APCB) could allow an attacker with access the ability to modify the BIOS image, and the ability to sign the resulting image, to potentially modify the APCB block resulting in arbitrary code execution.
CVSS Score
1 | 2 | 3 | 4 | 5 | 6 | 7.2 | 8 | 9 | 10 |
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Weakness
Weakness | Name | Description |
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CVSS Data
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Base Score
7.2
Exploitability Score
0.6
Impact Score
6.0
Base Severity
HIGH
Vector String : CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
References
URL | Source |
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https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html | psirt@amd.com |
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