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.

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Advisories

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Fixes

Solution

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Workaround

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History

Wed, 03 Jun 2026 02:30:00 +0000

Type Values Removed Values Added
First Time appeared Amd
Amd athlon 3000 Series Mobile Processors With Radeon Graphics
Amd radeon Pro V520
Amd radeon Pro V620
Amd radeon Pro W5000 Series
Amd radeon Pro W6000 Series
Amd radeon Pro W7000 Series
Amd radeon Rx 5000 Series
Amd radeon Rx 6000 Series
Amd radeon Rx 7000 Series
Amd ryzen 3000 Series Desktop Processors
Amd ryzen 3000 Series Mobile Processors With Radeon Graphics
Amd ryzen 4000 Series Desktop Processors
Amd ryzen 4000 Series Mobile Processors With Radeon Graphics
Amd ryzen 5000 Series Desktop Processors
Amd ryzen 5000 Series Desktop Processors With Radeon Graphics
Amd ryzen 5000 Series Mobile Processors With Radeon Graphics
Amd ryzen 7030 Series Mobile Processors With Radeon Graphics
Amd ryzen Embedded 5000 Series Processors
Amd ryzen Embedded R1000 Series Processors
Amd ryzen Embedded R2000 Series Processors
Amd ryzen Embedded V1000 Series Processors
Amd ryzen Embedded V2000 Series Processors
Amd ryzen Embedded V3000 Series Processors
Amd ryzen Threadripper Pro 3000 Wx-series Processors
Amd ryzen Threadripper Pro 5000 Wx-series Processors
Vendors & Products Amd
Amd athlon 3000 Series Mobile Processors With Radeon Graphics
Amd radeon Pro V520
Amd radeon Pro V620
Amd radeon Pro W5000 Series
Amd radeon Pro W6000 Series
Amd radeon Pro W7000 Series
Amd radeon Rx 5000 Series
Amd radeon Rx 6000 Series
Amd radeon Rx 7000 Series
Amd ryzen 3000 Series Desktop Processors
Amd ryzen 3000 Series Mobile Processors With Radeon Graphics
Amd ryzen 4000 Series Desktop Processors
Amd ryzen 4000 Series Mobile Processors With Radeon Graphics
Amd ryzen 5000 Series Desktop Processors
Amd ryzen 5000 Series Desktop Processors With Radeon Graphics
Amd ryzen 5000 Series Mobile Processors With Radeon Graphics
Amd ryzen 7030 Series Mobile Processors With Radeon Graphics
Amd ryzen Embedded 5000 Series Processors
Amd ryzen Embedded R1000 Series Processors
Amd ryzen Embedded R2000 Series Processors
Amd ryzen Embedded V1000 Series Processors
Amd ryzen Embedded V2000 Series Processors
Amd ryzen Embedded V3000 Series Processors
Amd ryzen Threadripper Pro 3000 Wx-series Processors
Amd ryzen Threadripper Pro 5000 Wx-series Processors

Tue, 02 Jun 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 01 Jun 2026 21:45:00 +0000

Type Values Removed Values Added
Title Privilege Escalation via Weak SMN Access Control in AMD Secure Processor

Mon, 01 Jun 2026 20:30:00 +0000

Type Values Removed Values Added
Description 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.
Weaknesses CWE-1220
References
Metrics cvssV4_0

{'score': 7.1, 'vector': '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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: AMD

Published:

Updated: 2026-06-02T13:45:20.545Z

Reserved: 2022-03-31T16:50:27.864Z

Link: CVE-2021-46747

cve-icon Vulnrichment

Updated: 2026-06-02T13:45:17.651Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-06-01T21:16:23.103

Modified: 2026-06-02T13:04:00.123

Link: CVE-2021-46747

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-02T20:52:46Z

Weaknesses