CVE-2023-20576

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Summary

CVECVE-2023-20576
StatePUBLISHED
AssignerAMD
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-02 20:17:32 UTC
Updated2026-09-02 20:17:32 UTC
DescriptionInsufficient Verification of Data Authenticity in AGESA™ may allow an attacker to update SPI ROM data potentially resulting in denial of service or privilege escalation.

Risk And Classification

Primary CVSS: v3.1 7.7 HIGH from [email protected]

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Problem Types: CWE-345 | CWE-345 CWE-345 Insufficient Verification of Data Authenticity

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.7HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
3.1CNACVSS7.7HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA AMD AMD Ryzen 3000 Series Desktop Processors unaffected ComboAM4v2 1.2.0.B Not specified
CNA AMD AMD Ryzen 5000 Series Desktop Processors unaffected ComboAM4v2v 1.2.0.B Not specified
CNA AMD AMD Ryzen 5000 Series Desktop Processors With Radeon Graphics unaffected ComboAM4v2 1.2.0.B Not specified
CNA AMD AMD Ryzen 7000 Series Processors unaffected ComboAM5 1.0.0.7b Not specified
CNA AMD AMD Ryzen 4000 Series Desktop Processors With Radeon Graphics unaffected ComboAM4v2 1.2.0.B Not specified
CNA AMD AMD Ryzen Threadripper PRO 5000WX Processors unaffected ChagallWSPI-sWRX8 1.0.0.7 Not specified
CNA AMD AMD Ryzen 7020 Series Processors With Radeon Graphics unaffected MendocinoPI-FT6 1.0.0.6 Not specified
CNA AMD AMD Ryzen 6000 Series Processors With Radeon Graphics unaffected RembrandtPI-FP7 1.0.0.9b Not specified
CNA AMD AMD Ryzen 7035 Series Processors With Radeon Graphics unaffected RembrandtPI-FP7 1.0.0.9b Not specified
CNA AMD AMD Ryzen 7040 Series Processors With Radeon Graphics unaffected PhoenixPI-FP8-FP7 1.0.0.2 Not specified
CNA AMD AMD Ryzen 7045 Series Mobile Processors unaffected DragonRangeFL1PI 1.0.0.3a Not specified
CNA AMD AMD Ryzen Embedded 5000 unaffected EmbAM4PI 1.0.0.4 Not specified
CNA AMD AMD Ryzen Embedded V3000 unaffected EmbeddedPI-FP7r2 1.0.0.8 Not specified

References

ReferenceSourceLinkTags
www.amd.com/en/resources/product-security/bulletin/amd-sb-7009.html [email protected] www.amd.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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