CVE-2023-20577

Summary

CVECVE-2023-20577
StatePUBLISHED
AssignerAMD
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-02 20:17:34 UTC
Updated2026-09-02 20:17:34 UTC
DescriptionA heap overflow in SMM module may allow an attacker with access to a second vulnerability that enables writing to SPI flash, potentially resulting in arbitrary code execution.

Risk And Classification

Primary CVSS: v3.1 7.4 HIGH from [email protected]

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

Problem Types: CWE-121 | CWE-121 CWE-121 Stack-based buffer overflow


VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.4HIGHCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS7.4HIGHCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA AMD 2nd Gen AMD EPYC Processors unaffected RomePI 1.0.0.H Not specified
CNA AMD 3rd Gen AMD EPYC Processors unaffected MilanPI 1.0.0.C Not specified
CNA AMD 4th Gen AMD EPYC Processors unaffected GenoaPI 1.0.0.8 Not specified
CNA AMD AMD Instinct MI300A unaffected MI300 SR5 PI 1.0.0.1 Not specified
CNA AMD AMD Ryzen 3000 Series Desktop Processors unaffected ComboAM4v2 1.2.0.B Not specified
CNA AMD AMD Ryzen 3000 Series Desktop Processors unaffected ComboAM4 1.0.0.B Not specified
CNA AMD AMD Ryzen 5000 Series Desktop Processors unaffected ComboAM4v2 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 Athlon 3000 Series Desktop Processors With Radeon Graphics unaffected ComboAM4v2 1.2.0.B Not specified
CNA AMD AMD Athlon 3000 Series Desktop Processors With Radeon Graphics unaffected ComboAM4 1.0.0.B 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 3000 Series Processors unaffected CastlePeakPI-SP3r3 1.0.0.A Not specified
CNA AMD AMD Ryzen Threadripper PRO 3000WX Series Processors unaffected ChagallWSPI-sWRX8 1.0.0.7 Not specified
CNA AMD AMD Ryzen Threadripper PRO 3000WX Series Processors unaffected CastlePeakWSPI-sWRX8 1.0.0.C Not specified
CNA AMD AMD Ryzen Threadripper PRO 5000WX Processors unaffected ChagallWSPI-sWRX8 1.0.0.7 Not specified
CNA AMD AMD Athlon 3000 Series Mobile Processors With Radeon Graphics unaffected PicassoPI-FP5 1.0.1.0 Not specified
CNA AMD AMD Athlon 3000 Series Mobile Processors With Radeon Graphics unaffected PollockPI-FT5 1.0.0.6 Not specified
CNA AMD AMD Ryzen 3000 Series Mobile Processor With Radeon Graphics unaffected PicassoPI-FP5 1.0.1.0 Not specified
CNA AMD AMD Ryzen 4000 Series Mobile Processors With Radeon Graphics unaffected RenoirPI-FP6 1.0.0.D Not specified
CNA AMD AMD Ryzen 5000 Series Mobile Processors With Radeon Graphics unaffected CezannePI-FP6 1.0.0.F Not specified
CNA AMD AMD Ryzen 5000 Series Mobile Processors With Radeon Graphics unaffected CezannePI-FP6 1.0.0.F 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 5000 Series Processors With Radeon Graphics unaffected CezannePI-FP6 1.0.0.F Not specified
CNA AMD AMD Ryzen 3000 Series Processors With Radeon Graphics unaffected CezannePI-FP6 1.0.0.F 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 EPYC Embedded 3000 unaffected Snowyowl PI 1.1.0.B Not specified
CNA AMD AMD EPYC Embedded 7002 unaffected EmbRomePI-SP3 1.0.0.B Not specified
CNA AMD AMD EPYC Embedded 7003 unaffected EmbMilanPI-SP3 1.0.0.8 Not specified
CNA AMD AMD EPYC Embedded 9003 unaffected EmbGenoaPI-SP5 1.0.0.3 Not specified
CNA AMD AMD Ryzen Embedded R1000 unaffected EmbeddedPI-FP5 1.2.0.A Not specified
CNA AMD AMD Ryzen Embedded R2000 unaffected EmbeddedPI-FP5 1.0.0.2 Not specified
CNA AMD AMD Ryzen Embedded 5000 unaffected EmbAM4PI 1.0.0.4 Not specified
CNA AMD AMD Ryzen Embedded V1000 unaffected EmbeddedPI-FP5 1.2.0.A Not specified
CNA AMD AMD Ryzen Embedded V2000 unaffected EmbeddedPI-FP6 1.0.0.9 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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