CVE-2023-20518
1.9
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| AMD | AMD EPYC™ 9004 Series Processors | GenoaPI 1.0.0.4 | unaffected |
| AMD | AMD Ryzen™ 3000 Series Desktop Processors | ComboAM4V1 1.0.0.A | unaffected |
| AMD | AMD Ryzen™ 3000 Series Desktop Processors | ComboAM4V2 1.2.0.A | unaffected |
| AMD | AMD Ryzen™ 5000 Series Desktop Processors | ComboAM4V2 1.2.0.A | unaffected |
| AMD | AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics | ComboAM4V2 1.2.0.A | unaffected |
| AMD | AMD Ryzen™ 7000 Series Desktop Processors | ComboAM5 1.0.0.6 | unaffected |
| AMD | AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics | ComboAM4V2 1.2.0.A | unaffected |
| AMD | AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics | ComboAM4V1 1.0.0.A | unaffected |
| AMD | AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics | ComboAM4V2 1.2.0.A | unaffected |
| AMD | AMD Ryzen™ Threadripper™ 3000 Series Processors | CastlePeakPI-SP3r3 1.0.0.9 | unaffected |
| AMD | AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors | ChagallWSPI-sWRX8 1.0.0.6 | unaffected |
| AMD | AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors | CastlePeakWSPI-sWRX8 1.0.0.B | unaffected |
| AMD | AMD Ryzen™ Threadripper™ PRO 5000WX Processors | ChagallWSPI-sWRX8 1.0.0.6 | unaffected |
| AMD | AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics | PicassoPI-FP5 1.0.0.F | unaffected |
| AMD | AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics | PollockPI-FT5 1.0.0.5 | unaffected |
| AMD | AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics | PicassoPI-FP5 1.0.0.F | unaffected |
| AMD | AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics | RenoirPI-FP6 1.0.0.C | unaffected |
| AMD | AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics | CezannePI-FP6 1.0.0.E | unaffected |
| AMD | AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics | CezannePI-FP6 1.0.0.E | unaffected |
| AMD | AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics | MendocinoPI-FT6 1.0.0.4 | unaffected |
| AMD | AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics | RembrandtPI-FP7 1.0.0.8 | unaffected |
| AMD | AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics | RembrandtPI-FP7 1.0.0.8 | unaffected |
| AMD | AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics | CezannePI-FP6 1.0.0.E | unaffected |
| AMD | AMD Ryzen™ 3000 Series Processors with Radeon™ Graphics | CezannePI-FP6 1.0.0.E | unaffected |
| AMD | AMD Ryzen™ Embedded R1000 Series Processors | EmbeddedPI-FP5 1.2.0.A | unaffected |
| AMD | AMD Ryzen™ Embedded R2000 Series Processors | EmbeddedR2KPI-FP5 1.0.0.2 | unaffected |
| AMD | AMD Ryzen™ Embedded 5000 Series Processors | EmbAM4PI 1.0.0.3 | unaffected |
| AMD | AMD Ryzen™ Embedded 7000 Series Processors | EmbeddedAM5PI 1.0.0.0 | unaffected |
| AMD | AMD Ryzen™ Embedded V1000 Series Processors | various | affected |
| AMD | AMD Ryzen™ Embedded V2000 Series Processors | EmbeddedPI-FP6 1.0.0.8 | unaffected |
| AMD | AMD Ryzen™ Embedded V3000 Series Processors | EmbeddedPI-FP7r2 1.0.0.5 | unaffected |
Weaknesses
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html
- https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5002.html
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