CVE-2021-46747

State: Published
Severity: 7.1 High
Published: Jun 1, 2026
Updated: Jun 2, 2026
Reserved: Mar 31, 2022

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.

Scores

CVSS	Score	Vector	Source
4.0	7.1 High	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	AMD

Weaknesses

CWE-1220 Insufficient Granularity of Access Control

Affected Products

Product	Versions
AMD Athlon™ 3000 Series Mobile Processors with Radeon™ GraphicsAMD	PicassoPI-FP5 1.0.0.ENot affected
AMD Ryzen™ Threadripper™ PRO 3000 WX-Series ProcessorsAMD	CastlePeakWSPI-sWRX8 1.0.0.9Not affected ChagallWSPI-sWRX8 1.0.0.2Not affected
AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ GraphicsAMD	ComboAM4v2 PI 1.2.0.6Not affected
AMD Ryzen™ Threadripper™ PRO 5000 WX-Series ProcessorsAMD	ChagallWSPI-sWRX8 1.0.0.1Not affected
AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ GraphicsAMD	RenoirPI-FP6 1.0.0.8Not affected
AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ GraphicsAMD	PicassoPI-FP5 1.0.0.ENot affected
AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ GraphicsAMD	CezannePI-FP6 1.0.0.9Not affected
AMD Ryzen™ 3000 Series Desktop ProcessorsAMD	ComboAM4PI 1.0.0.9/ComboAM4 V2 PI 1.2.0.8Not affected
AMD Athlon™ 3000 Series Desktop Processors with Radeon™ GraphicsAMD	ComboAM4v2 PI 1.2.0.8Not affected
AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ GraphicsAMD	CezannePI-FP6 1.0.0.9Not affected
AMD Ryzen™ 4000 Series Desktop ProcessorsAMD	ComboAM4v2 PI 1.2.0.6Not affected
AMD Ryzen™ 5000 Series Desktop ProcessorsAMD	ComboAM4 V2 PI 1.2.0.8Not affected
AMD Ryzen™ Embedded R1000 Series ProcessorsAMD	EmbeddedPI-FP5_1.2.0.ANot affected
AMD Ryzen™ Embedded R2000 Series ProcessorsAMD	EmbeddedPI-FP5_1002Not affected
AMD Ryzen™ Embedded 5000 Series ProcessorsAMD	EmbAM4PI 1.0.0.2Not affected
AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Raven Ridge")AMD	EmbeddedPI-FP5_1.2.0.ANot affected
AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Picasso")AMD	EmbeddedPI-FP5_1.2.0.ANot affected
AMD Ryzen™ Embedded V2000 Series ProcessorsAMD	EmbeddedPI-FP6_1.0.0.6Not affected
AMD Ryzen™ Embedded V3000 Series ProcessorsAMD	EmbeddedPI-FP7r2_0080Not affected
AMD Radeon™ RX 5000 Series Graphics ProductsAMD	AMD Software: Adrenalin Edition 25.11.1 (25.10.33.03)Not affected
AMD Radeon™ PRO W5000 Series Graphics ProductsAMD	AMD Software: PRO Edition 25.Q3.1 (25.10.32)Not affected
AMD Radeon™ RX 6000 Series Graphics ProductsAMD	AMD Software: Adrenalin Edition 25.11.1 (25.10.33.03)Not affected
AMD Radeon™ RX 7000 Series Graphics ProductsAMD	AMD Software: Adrenalin Edition 25.11.1 (25.10.33.03)Not affected
AMD Radeon™ PRO W6000 Series Graphics ProductsAMD	AMD Software: PRO Edition 25.Q3.1 (25.10.32)Not affected
AMD Radeon™ PRO W7000 Series Graphics ProductsAMD	AMD Software: PRO Edition 25.Q3.1 (25.10.32)Not affected
AMD Radeon™ PRO V520AMD	Contact your AMD Customer Engineering representativeNot affected
AMD Radeon™ PRO V620AMD	Contact your AMD Customer Engineering representativeNot affected

References

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