Home/CVE/Improper address validation in ASP with SNP enabled may potentially allow an attacker to compromise guest memory integri
CVE

CVE-2023-20566

Improper address validation in ASP with SNP enabled may potentially allow an attacker to compromise guest memory integri

Improper address validation in ASP with SNP enabled may potentially allow an attacker to compromise guest memory integrity.

MEDIUM · CVSS 5.3 EPSS 0.00055
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
▤

Affected Products & Versions

60
amd epyc 7763 firmware< milanpi_1.0.0.b
amd epyc 7713p firmware< milanpi_1.0.0.b
amd epyc 7713 firmware< milanpi_1.0.0.b
amd epyc 7663p firmware< milanpi_1.0.0.b
amd epyc 7663 firmware< milanpi_1.0.0.b
amd epyc 7643p firmware< milanpi_1.0.0.b
amd epyc 7773x firmware< milanpi_1.0.0.b
amd epyc 7643 firmware< milanpi_1.0.0.b
▣

Scoring & Timeline

5.3
MEDIUM · CVSS v3.1 · psirt@amd.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Nov 2023 · 07:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

6
suse-csafSUSE-SU-2024:2376-1
suse-csafSUSE-SU-2023:4654-1
suse-csafSUSE-SU-2023:4655-1
suse-csafSUSE-SU-2023:4660-1
suse-csafSUSE-SU-2023:4664-1
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002Vendor Advisory
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