CVE-2023-20591 json
Improper re-initialization of IOMMU during the DRTM event may permit an untrusted platform configuration to persist, allowing an attacker t…
published 2024-08-13 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-24770
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 22%
- public exploits
- 0
- none known
Summary
Improper re-initialization of IOMMU during the DRTM event may permit an untrusted platform configuration to persist, allowing an attacker to read or modify hypervisor memory, potentially resulting in loss of confidentiality, integrity, and availability.
Patch / fix
- AMD AMD EPYC™ 7003 Series Processors MilanPI 1.0.0.B
- AMD AMD EPYC™ 9004 Series Processors Genoa 1.0.0.8
- AMD AMD EPYC™ Embedded 7003 Series Processors EmbMilanPI-SP3 1.0.0.7
- AMD AMD EPYC™ Embedded 9003 Series Processors EmbGenoaPI-SP5 1.0.0.3
- amd epyc_7003_firmware milanpi_1.0.0.b
- amd epyc_9003_firmware genoapi_1.0.0.8
- amd epyc_7773x_firmware milanpi_1.0.0.b
- amd epyc_9754s_firmware genoapi_1.0.0.8
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.30% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L |
| NVD | 3.1 | 10.0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
Affected products
- AMD AMD EPYC™ 7003 Series Processors
- AMD AMD EPYC™ 9004 Series Processors
- AMD AMD EPYC™ Embedded 7003 Series Processors
- AMD AMD EPYC™ Embedded 9003 Series Processors
- amd epyc_7003_firmware
- amd epyc_9003_firmware
- amd epyc_7773x_firmware
- amd epyc_9754s_firmware
Classification
- Weakness
-
- CWE-665 Improper Initialization
References
-
amd.com
/en/resources/product-security/bulletin/amd-sb-3003.html
vendor-advisory
Sources
- CVE List CVE-2023-20591
- NVD CVE-2023-20591
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