FKIE_CVE-2021-46747
Vulnerability from fkie_nvd - Published: 2026-06-01 21:16 - Updated: 2026-06-17 04:15
Severity
Summary
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.
References
Impacted products
| Vendor | Product | Version |
|---|
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "affected",
"product": "AMD Athlon\u2122 3000 Series Mobile Processors with Radeon\u2122 Graphics",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "PicassoPI-FP5 1.0.0.E"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 Threadripper\u2122 PRO 3000 WX-Series Processors",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "CastlePeakWSPI-sWRX8 1.0.0.9"
},
{
"status": "unaffected",
"version": "ChagallWSPI-sWRX8 1.0.0.2"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 5000 Series Desktop Processors with Radeon\u2122 Graphics",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "ComboAM4v2 PI 1.2.0.6"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 Threadripper\u2122 PRO 5000 WX-Series Processors",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "ChagallWSPI-sWRX8 1.0.0.1"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 4000 Series Mobile Processors with Radeon\u2122 Graphics",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "RenoirPI-FP6 1.0.0.8"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 3000 Series Mobile Processors with Radeon\u2122 Graphics",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "PicassoPI-FP5 1.0.0.E"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 5000 Series Mobile Processors with Radeon\u2122 Graphics",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "CezannePI-FP6 1.0.0.9"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 3000 Series Desktop Processors",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "ComboAM4PI 1.0.0.9/ComboAM4 V2 PI 1.2.0.8"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Athlon\u2122 3000 Series Desktop Processors with Radeon\u2122 Graphics",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "ComboAM4v2 PI 1.2.0.8"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 7030 Series Mobile Processors with Radeon\u2122 Graphics",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "CezannePI-FP6 1.0.0.9"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 4000 Series Desktop Processors",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "ComboAM4v2 PI 1.2.0.6"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 5000 Series Desktop Processors",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "ComboAM4 V2 PI 1.2.0.8"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 Embedded R1000 Series Processors",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "EmbeddedPI-FP5_1.2.0.A"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 Embedded R2000 Series Processors",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "EmbeddedPI-FP5_1002"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 Embedded 5000 Series Processors",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "EmbAM4PI 1.0.0.2"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 Embedded V1000 Series Processors (formerly codenamed \"Raven Ridge\")",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "EmbeddedPI-FP5_1.2.0.A"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 Embedded V1000 Series Processors (formerly codenamed \"Picasso\")",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "EmbeddedPI-FP5_1.2.0.A"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 Embedded V2000 Series Processors",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "EmbeddedPI-FP6_1.0.0.6"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Ryzen\u2122 Embedded V3000 Series Processors",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "EmbeddedPI-FP7r2_0080"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Radeon\u2122 RX 5000 Series Graphics Products",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "AMD Software: Adrenalin Edition 25.11.1 (25.10.33.03)"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Radeon\u2122 PRO W5000 Series Graphics Products",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "AMD Software: PRO Edition 25.Q3.1 (25.10.32)"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Radeon\u2122 RX 6000 Series Graphics Products",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "AMD Software: Adrenalin Edition 25.11.1 (25.10.33.03)"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Radeon\u2122 RX 7000 Series Graphics Products",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "AMD Software: Adrenalin Edition 25.11.1 (25.10.33.03)"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Radeon\u2122 PRO W6000 Series Graphics Products",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "AMD Software: PRO Edition 25.Q3.1 (25.10.32)"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Radeon\u2122 PRO W7000 Series Graphics Products",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "AMD Software: PRO Edition 25.Q3.1 (25.10.32)"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Radeon\u2122 PRO V520",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "Contact your AMD Customer Engineering representative"
}
]
},
{
"defaultStatus": "affected",
"product": "AMD Radeon\u2122 PRO V620",
"vendor": "AMD",
"versions": [
{
"status": "unaffected",
"version": "Contact your AMD Customer Engineering representative"
}
]
}
],
"source": "psirt@amd.com"
}
],
"cveTags": [],
"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."
}
],
"id": "CVE-2021-46747",
"lastModified": "2026-06-17T04:15:25.657",
"metrics": {
"cvssMetricV40": [
{
"cvssData": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "HIGH",
"attackRequirements": "NONE",
"attackVector": "LOCAL",
"availabilityRequirement": "NOT_DEFINED",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"confidentialityRequirement": "NOT_DEFINED",
"exploitMaturity": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"privilegesRequired": "HIGH",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"source": "psirt@amd.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2021-46747",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-06-02T03:56:08.958235Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-06-01T21:16:23.103",
"references": [
{
"source": "psirt@amd.com",
"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"
}
],
"sourceIdentifier": "psirt@amd.com",
"vulnStatus": "Awaiting Analysis",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-1220"
}
],
"source": "psirt@amd.com",
"type": "Secondary"
}
]
}
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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