high
7.1
CVE-2021-46747 json
Insufficient granularity of access control in ASP (AMD Secure Processor) may allow an attacker with an untrusted user space application to…
published 2026-06-01 5 mo ago modified 2026-07-22 3 mo ago also EUVD-2021-34843
- cvss
- 7.1
- version 4.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 0%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics PicassoPI-FP5 1.0.0.E
- AMD AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors CastlePeakWSPI-sWRX8 1.0.0.9, ChagallWSPI-sWRX8 1.0.0.2
- AMD AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics ComboAM4v2 PI 1.2.0.6
- AMD AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors ChagallWSPI-sWRX8 1.0.0.1
- AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics RenoirPI-FP6 1.0.0.8
- AMD AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics PicassoPI-FP5 1.0.0.E
- AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics CezannePI-FP6 1.0.0.9
- AMD AMD Ryzen™ 3000 Series Desktop Processors ComboAM4PI 1.0.0.9/ComboAM4 V2 PI 1.2.0.8
- AMD AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics ComboAM4v2 PI 1.2.0.8
- AMD AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics CezannePI-FP6 1.0.0.9
- AMD AMD Ryzen™ 4000 Series Desktop Processors ComboAM4v2 PI 1.2.0.6
- AMD AMD Ryzen™ 5000 Series Desktop Processors ComboAM4 V2 PI 1.2.0.8
- AMD AMD Ryzen™ Embedded R1000 Series Processors EmbeddedPI-FP5_1.2.0.A
- AMD AMD Ryzen™ Embedded R2000 Series Processors EmbeddedPI-FP5_1002
- AMD AMD Ryzen™ Embedded 5000 Series Processors EmbAM4PI 1.0.0.2
- AMD AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Raven Ridge") EmbeddedPI-FP5_1.2.0.A
- AMD AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Picasso") EmbeddedPI-FP5_1.2.0.A
- AMD AMD Ryzen™ Embedded V2000 Series Processors EmbeddedPI-FP6_1.0.0.6
- AMD AMD Ryzen™ Embedded V3000 Series Processors EmbeddedPI-FP7r2_0080
- AMD AMD Radeon™ RX 5000 Series Graphics Products AMD Software: Adrenalin Edition 25.11.1 (25.10.33.03)
- AMD AMD Radeon™ PRO W5000 Series Graphics Products AMD Software: PRO Edition 25.Q3.1 (25.10.32)
- AMD AMD Radeon™ RX 6000 Series Graphics Products AMD Software: Adrenalin Edition 25.11.1 (25.10.33.03)
- AMD AMD Radeon™ RX 7000 Series Graphics Products AMD Software: Adrenalin Edition 25.11.1 (25.10.33.03)
- AMD AMD Radeon™ PRO W6000 Series Graphics Products AMD Software: PRO Edition 25.Q3.1 (25.10.32)
- AMD AMD Radeon™ PRO W7000 Series Graphics Products AMD Software: PRO Edition 25.Q3.1 (25.10.32)
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 5 mo ago
Exploit prediction
0.10% chance of exploitation in the next 30 days, higher than 0% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 7.1 | 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 |
| CNA | 4.0 | 7.1 | 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 |
Affected products
- AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics
- AMD AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors
- AMD AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics
- AMD AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors
- AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics
- AMD AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics
- AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics
- AMD AMD Ryzen™ 3000 Series Desktop Processors
- AMD AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics
- AMD AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics
- AMD AMD Ryzen™ 4000 Series Desktop Processors
- AMD AMD Ryzen™ 5000 Series Desktop Processors
- AMD AMD Ryzen™ Embedded R1000 Series Processors
- AMD AMD Ryzen™ Embedded R2000 Series Processors
- AMD AMD Ryzen™ Embedded 5000 Series Processors
- AMD AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Raven Ridge")
- AMD AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Picasso")
- AMD AMD Ryzen™ Embedded V2000 Series Processors
- AMD AMD Ryzen™ Embedded V3000 Series Processors
- AMD AMD Radeon™ RX 5000 Series Graphics Products
- AMD AMD Radeon™ PRO W5000 Series Graphics Products
- AMD AMD Radeon™ RX 6000 Series Graphics Products
- AMD AMD Radeon™ RX 7000 Series Graphics Products
- AMD AMD Radeon™ PRO W6000 Series Graphics Products
- AMD AMD Radeon™ PRO W7000 Series Graphics Products
- AMD AMD Radeon™ PRO V520
- AMD AMD Radeon™ PRO V620
Classification
- Weakness
-
- CWE-1220 Insufficient Granularity of Access Control
References
Sources
- CVE List CVE-2021-46747
- NVD CVE-2021-46747
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.