CVE-2021-46747

Insufficient granularity of access control in ASP (AMD Secure Processor) may allow an attacker with an untrusted user space application to map sensitive SMN (System Management Network) apertures leading to a potential escalation of privileges.

CVSS

No CVSS.

References

Link	Resource
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4017.html
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6027.html

Configurations

No configuration.

History

No history.

Information

Published : 2026-06-01 21:16

Updated : 2026-07-22 08:10

NVD link : CVE-2021-46747

Mitre link : CVE-2021-46747

CVE.ORG link : CVE-2021-46747

JSON object : View

Products Affected

No product.

CWE

CWE-1220

Insufficient Granularity of Access Control

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"subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "psirt@amd.com", "affectedData": [{"vendor": "AMD", "product": "AMD Athlon\u2122 3000 Series Mobile Processors with Radeon\u2122 Graphics", "versions": [{"status": "unaffected", "version": "PicassoPI-FP5 1.0.0.E"}], "defaultStatus": "affected"}, {"vendor": "AMD", "product": "AMD Ryzen\u2122 Threadripper\u2122 PRO 3000 WX-Series Processors", "versions": [{"status": "unaffected", "version": "CastlePeakWSPI-sWRX8 1.0.0.9"}, {"status": "unaffected", "version": "ChagallWSPI-sWRX8 1.0.0.2"}], "defaultStatus": "affected"}, {"vendor": "AMD", "product": "AMD Ryzen\u2122 5000 Series Desktop Processors with Radeon\u2122 Graphics", "versions": [{"status": "unaffected", "version": "ComboAM4v2 PI 1.2.0.6"}], "defaultStatus": "affected"}, {"vendor": "AMD", "product": "AMD Ryzen\u2122 Threadripper\u2122 PRO 5000 WX-Series Processors", "versions": [{"status": "unaffected", "version": "ChagallWSPI-sWRX8 1.0.0.1"}], "defaultStatus": "affected"}, {"vendor": "AMD", "product": "AMD Ryzen\u2122 4000 Series Mobile Processors with Radeon\u2122 Graphics", "versions": [{"status": "unaffected", "version": "RenoirPI-FP6 1.0.0.8"}], "defaultStatus": "affected"}, {"vendor": "AMD", "product": "AMD Ryzen\u2122 3000 Series Mobile Processors with Radeon\u2122 Graphics", "versions": [{"status": "unaffected", "version": "PicassoPI-FP5 1.0.0.E"}], "defaultStatus": "affected"}, {"vendor": "AMD", "product": "AMD Ryzen\u2122 5000 Series Mobile Processors with Radeon\u2122 Graphics", "versions": [{"status": "unaffected", "version": "CezannePI-FP6 1.0.0.9"}], "defaultStatus": "affected"}, {"vendor": "AMD", "product": "AMD Ryzen\u2122 3000 Series Desktop Processors", "versions": [{"status": "unaffected", "version": "ComboAM4PI 1.0.0.9/ComboAM4 V2 PI 1.2.0.8"}], "defaultStatus": "affected"}, {"vendor": "AMD", "product": "AMD Athlon\u2122 3000 Series Desktop Processors with Radeon\u2122 Graphics", "versions": [{"status": "unaffected", "version": "ComboAM4v2 PI 1.2.0.8"}], "defaultStatus": "affected"}, {"vendor": "AMD", "product": "AMD Ryzen\u2122 7030 Series Mobile Processors with Radeon\u2122 Graphics", "versions": [{"status": "unaffected", "version": "CezannePI-FP6 1.0.0.9"}], "defaultStatus": "affected"}, {"vendor": "AMD", "product": "AMD Ryzen\u2122 4000 Series Desktop Processors", "versions": [{"status": "unaffected", "version": "ComboAM4v2 PI 1.2.0.6"}], "defaultStatus": "affected"}, {"vendor": "AMD", "product": "AMD Ryzen\u2122 5000 Series Desktop Processors", "versions": [{"status": "unaffected", "version": "ComboAM4 V2 PI 1.2.0.8"}], "defaultStatus": "affected"}, {"vendor": "AMD", "product": "AMD Ryzen\u2122 Embedded R1000 Series Processors", "versions": [{"status": "unaffected", "version": "EmbeddedPI-FP5_1.2.0.A"}], "defaultStatus": "affected"}, {"vendor": "AMD", "product": "AMD Ryzen\u2122 Embedded R2000 Series Processors", "versions": [{"status": "unaffected", "version": "EmbeddedPI-FP5_1002"}], "defaultStatus": "affected"}, {"vendor": "AMD", "product": "AMD Ryzen\u2122 Embedded 5000 Series Processors", "versions": [{"status": "unaffected", "version": "EmbAM4PI 1.0.0.2"}], "defaultStatus": "affected"}, {"vendor": "AMD", "product": "AMD Ryzen\u2122 Embedded V1000 Series Processors (formerly codenamed \"Raven Ridge\")", "versions": [{"status": "unaffected", "version": "EmbeddedPI-FP5_1.2.0.A"}], "defaultStatus": "affected"}, {"vendor": "AMD", "product": "AMD Ryzen\u2122 Embedded V1000 Series Processors (formerly codenamed \"Picasso\")", "versions": [{"status": "unaffected", "version": "EmbeddedPI-FP5_1.2.0.A"}], "defaultStatus": "affected"}, {"vendor": "AMD", "product": "AMD Ryzen\u2122 Embedded V2000 Series Processors", "versions": [{"status": "unaffected", "version": "EmbeddedPI-FP6_1.0.0.6"}], "defaultStatus": "affected"}, {"vendor": "AMD", "product": "AMD Ryzen\u2122 Embedded V3000 Series Processors", "versions": [{"status": "unaffected", "version": "EmbeddedPI-FP7r2_0080"}], "defaultStatus": "affected"}, {"vendor": "AMD", "product": "AMD Radeon\u2122 RX 5000 Series Graphics Products", "versions": [{"status": "unaffected", "version": "AMD Software: Adrenalin Edition 25.11.1 (25.10.33.03)"}], "defaultStatus": "affected"}, {"vendor": "AMD", "product": "AMD Radeon\u2122 PRO W5000 Series Graphics Products", "versions": [{"status": "unaffected", "version": "AMD Software: PRO Edition 25.Q3.1 (25.10.32)"}], "defaultStatus": "affected"}, {"vendor": "AMD", "product": "AMD Radeon\u2122 RX 6000 Series Graphics Products", "versions": [{"status": "unaffected", "version": "AMD Software: Adrenalin Edition 25.11.1 (25.10.33.03)"}], "defaultStatus": "affected"}, {"vendor": "AMD", "product": "AMD Radeon\u2122 RX 7000 Series Graphics Products", "versions": [{"status": "unaffected", "version": "AMD Software: Adrenalin Edition 25.11.1 (25.10.33.03)"}], "defaultStatus": "affected"}, {"vendor": "AMD", "product": "AMD Radeon\u2122 PRO W6000 Series Graphics Products", "versions": [{"status": "unaffected", "version": "AMD Software: PRO Edition 25.Q3.1 (25.10.32)"}], "defaultStatus": "affected"}, {"vendor": "AMD", "product": "AMD Radeon\u2122 PRO W7000 Series Graphics Products", "versions": [{"status": "unaffected", "version": "AMD Software: PRO Edition 25.Q3.1 (25.10.32)"}], "defaultStatus": "affected"}, {"vendor": "AMD", "product": "AMD Radeon\u2122 PRO V520", "versions": [{"status": "unaffected", "version": "Contact your AMD Customer Engineering representative"}], "defaultStatus": "affected"}, {"vendor": "AMD", "product": "AMD Radeon\u2122 PRO V620", "versions": [{"status": "unaffected", "version": "Contact your AMD Customer Engineering representative"}], "defaultStatus": "affected"}]}], "published": "2026-06-01T21:16:23.103", "references": [{"url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4017.html", "source": "psirt@amd.com"}, {"url": "https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6027.html", "source": "psirt@amd.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "psirt@amd.com", "description": [{"lang": "en", "value": "CWE-1220"}]}], "descriptions": [{"lang": "en", "value": "Insufficient granularity of access control in ASP (AMD Secure Processor) may allow an attacker with an untrusted user space application to map sensitive SMN (System Management Network) apertures leading to a potential escalation of privileges."}, {"lang": "es", "value": "Granularidad insuficiente de control de acceso en ASP (AMD Secure Processor) puede permitir a un atacante con una aplicaci\u00f3n de espacio de usuario no confiable mapear aperturas SMN (System Management Network) sensibles, lo que lleva a una posible escalada de privilegios."}], "lastModified": "2026-07-22T08:10:00.117", "sourceIdentifier": "psirt@amd.com"}

CVE-2021-46747

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