What’s Vulnerable › Vulnerabilities

CVE-2021-46747

• Severity: high (CVSS 7.1 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-01 · updated 2026-07-22
• Weakness: CWE-1220

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.

Affected products

• AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics: all versions
• AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics: all versions
• AMD Radeon™ PRO V520: all versions
• AMD Radeon™ PRO V620: all versions
• AMD Radeon™ PRO W5000 Series Graphics Products: all versions
• AMD Radeon™ PRO W6000 Series Graphics Products: all versions
• AMD Radeon™ PRO W7000 Series Graphics Products: all versions
• AMD Radeon™ RX 5000 Series Graphics Products: all versions
• AMD Radeon™ RX 6000 Series Graphics Products: all versions
• AMD Radeon™ RX 7000 Series Graphics Products: all versions
• AMD Ryzen™ 3000 Series Desktop Processors: all versions
• AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics: all versions
• AMD Ryzen™ 4000 Series Desktop Processors: all versions
• AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics: all versions
• AMD Ryzen™ 5000 Series Desktop Processors: all versions
• AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics: all versions
• AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics: all versions
• AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics: all versions
• AMD Ryzen™ Embedded 5000 Series Processors: all versions
• AMD Ryzen™ Embedded R1000 Series Processors: all versions
• AMD Ryzen™ Embedded R2000 Series Processors: all versions
• AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Picasso"): all versions
• AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Raven Ridge"): all versions
• AMD Ryzen™ Embedded V2000 Series Processors: all versions
• AMD Ryzen™ Embedded V3000 Series Processors: all versions
• AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors: all versions
• AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors: all versions

References

• 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

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