CVE-2023-20518

Published: Aug 13, 2024

Modified: Nov 5, 2024

PUBLISHED

CVSS v3.1

1.9

LOW

Description

Incomplete cleanup in the ASP may expose the Master Encryption Key (MEK) to a privileged attacker with access to the BIOS menu or UEFI shell and a memory exfiltration vulnerability, potentially resulting in loss of confidentiality.

Vendor	Product	Versions
AMD	AMD EPYC™ 9004 Series Processors	unaffected `GenoaPI 1.0.0.4`
AMD	AMD Ryzen™ 3000 Series Desktop Processors	unaffected `ComboAM4V1 1.0.0.A` unaffected `ComboAM4V2 1.2.0.A`
AMD	AMD Ryzen™ 5000 Series Desktop Processors	unaffected `ComboAM4V2 1.2.0.A`
AMD	AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics	unaffected `ComboAM4V2 1.2.0.A`
AMD	AMD Ryzen™ 7000 Series Desktop Processors	unaffected `ComboAM5 1.0.0.6`
AMD	AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics	unaffected `ComboAM4V2 1.2.0.A` unaffected `ComboAM4V1 1.0.0.A`
AMD	AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics	unaffected `ComboAM4V2 1.2.0.A`
AMD	AMD Ryzen™ Threadripper™ 3000 Series Processors	unaffected `CastlePeakPI-SP3r3 1.0.0.9`
AMD	AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors	unaffected `ChagallWSPI-sWRX8 1.0.0.6` unaffected `CastlePeakWSPI-sWRX8 1.0.0.B`
AMD	AMD Ryzen™ Threadripper™ PRO 5000WX Processors	unaffected `ChagallWSPI-sWRX8 1.0.0.6`
AMD	AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics	unaffected `PicassoPI-FP5 1.0.0.F`
AMD	AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics	unaffected `PollockPI-FT5 1.0.0.5`
AMD	AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics	unaffected `PicassoPI-FP5 1.0.0.F`
AMD	AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics	unaffected `RenoirPI-FP6 1.0.0.C`
AMD	AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics	unaffected `CezannePI-FP6 1.0.0.E`
AMD	AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics	unaffected `CezannePI-FP6 1.0.0.E`
AMD	AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics	unaffected `MendocinoPI-FT6 1.0.0.4`
AMD	AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics	unaffected `RembrandtPI-FP7 1.0.0.8`
AMD	AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics	unaffected `RembrandtPI-FP7 1.0.0.8`
AMD	AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics	unaffected `CezannePI-FP6 1.0.0.E`
AMD	AMD Ryzen™ 3000 Series Processors with Radeon™ Graphics	unaffected `CezannePI-FP6 1.0.0.E`
AMD	AMD Ryzen™ Embedded R1000 Series Processors	unaffected `EmbeddedPI-FP5 1.2.0.A`
AMD	AMD Ryzen™ Embedded R2000 Series Processors	unaffected `EmbeddedR2KPI-FP5 1.0.0.2`
AMD	AMD Ryzen™ Embedded 5000 Series Processors	unaffected `EmbAM4PI 1.0.0.3`
AMD	AMD Ryzen™ Embedded 7000 Series Processors	unaffected `EmbeddedAM5PI 1.0.0.0`
AMD	AMD Ryzen™ Embedded V1000 Series Processors	affected `various`
AMD	AMD Ryzen™ Embedded V2000 Series Processors	unaffected `EmbeddedPI-FP6 1.0.0.8`
AMD	AMD Ryzen™ Embedded V3000 Series Processors	unaffected `EmbeddedPI-FP7r2 1.0.0.5`

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Local

Attack Complexity

High

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

References

https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html

vendor-advisory

https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5002.html

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CVE-2023-20518

Description

Affected Products

CVSS v3.1 Details

References