Log in Start free

Vulnerability · Published Jun 1, 2026 · Assigned by AMD

CVE-2021-46747

High 7.1

In plain English

A high-severity security flaw in AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics from AMD. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities).

Severity (CVSS 4.0)7.1High
Exploit odds (30 days)<0.1%top 99.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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 (as reported)

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

Weakness: CWE-1220 · 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

References