Review reviewHigh

CVE-2021-46747

AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics, AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors, AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics

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: 7.1
EPSS: 0.10%
CISA KEV: Not listed
Published: 2026.06.02

PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability0.10%

Technical severityCVSS 7.1

Vulnerability overview

Affected product and versions

Product: AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics, AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors, AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics
Affected versions: See the vendor advisory and NVD configuration data
Fixed versions: No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics, AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors, AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS 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/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
CWE: CWE-1220