CVE-2021-46747
Insufficient granularity of access control in ASP (AMD Secure Processor) may allow an attacker...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2021-46747- CVSS 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 - Weakness
- CWE-1220
- Updated
- 2026-11-02
EUVDEUVD-2021-34843
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.
- Record
EUVD-2021-34843- CVSS 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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-59gr-g8qh-wf7f
Insufficient granularity of access control in ASP (AMD Secure Processor) may allow an attacker...
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.
- Record
GHSA-59gr-g8qh-wf7f- CVSS 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/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 - Weakness
- CWE-1220
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2021-46747- CVSS 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/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 - Weakness
- CWE-1220
- Updated
- 2026-11-02
Affected products
- amd athlon™ 3000 series desktop processors with radeon™ graphics
- amd athlon™ 3000 series mobile processors with radeon™ graphics
- amd radeon™ pro v520
- amd radeon™ pro v620
- amd radeon™ pro w5000 series graphics products
- amd radeon™ pro w6000 series graphics products
- amd radeon™ pro w7000 series graphics products
- amd radeon™ rx 5000 series graphics products
- amd radeon™ rx 6000 series graphics products
- amd radeon™ rx 7000 series graphics products
- amd ryzen™ 3000 series desktop processors
- amd ryzen™ 3000 series mobile processors with radeon™ graphics
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- 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 (formerly codenamed "picasso")
- amd ryzen™ embedded v1000 series processors (formerly codenamed "raven ridge")
- 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
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-46747 is a high vulnerability (CVSS 7.1) in Amd Athlon™ 3000 Series Desktop Processors With Radeon™ Graphics, published June 1, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.10%, the 0th percentile. No source names a fixed version.