# 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 lead… CVE record · `CVE-2021-46747` - **Identifiers:** `CVE-2021-46747` - **State:** Confirmed - **Severity:** CVSS 7.1 High - **Critical:** No - **CNA:** AMD - **Weakness (CWE):** [CWE-1220](https://cwe.mitre.org/data/definitions/1220.html) - **Tags:** [CWE-1220](https://agentprime.io/advisories/tag/cwe-1220.md) - **Technologies:** [AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics](https://agentprime.io/advisories/technology/amd-athlontm-3000-series-mobile-processors-with-radeontm-graphics.md) · [AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors](https://agentprime.io/advisories/technology/amd-ryzentm-threadrippertm-pro-3000-wx-series-processors.md) · [AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics](https://agentprime.io/advisories/technology/amd-ryzentm-5000-series-desktop-processors-with-radeontm-graphics.md) · [AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors](https://agentprime.io/advisories/technology/amd-ryzentm-threadrippertm-pro-5000-wx-series-processors.md) · [AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics](https://agentprime.io/advisories/technology/amd-ryzentm-4000-series-mobile-processors-with-radeontm-graphics.md) · [AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics](https://agentprime.io/advisories/technology/amd-ryzentm-3000-series-mobile-processors-with-radeontm-graphics.md) · [AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics](https://agentprime.io/advisories/technology/amd-ryzentm-5000-series-mobile-processors-with-radeontm-graphics.md) · [AMD Ryzen™ 3000 Series Desktop Processors](https://agentprime.io/advisories/technology/amd-ryzentm-3000-series-desktop-processors.md) · [AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics](https://agentprime.io/advisories/technology/amd-athlontm-3000-series-desktop-processors-with-radeontm-graphics.md) · [AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics](https://agentprime.io/advisories/technology/amd-ryzentm-7030-series-mobile-processors-with-radeontm-graphics.md) · [AMD Ryzen™ 4000 Series Desktop Processors](https://agentprime.io/advisories/technology/amd-ryzentm-4000-series-desktop-processors.md) · [AMD Ryzen™ 5000 Series Desktop Processors](https://agentprime.io/advisories/technology/amd-ryzentm-5000-series-desktop-processors.md) · [AMD Ryzen™ Embedded R1000 Series Processors](https://agentprime.io/advisories/technology/amd-ryzentm-embedded-r1000-series-processors.md) · [AMD Ryzen™ Embedded R2000 Series Processors](https://agentprime.io/advisories/technology/amd-ryzentm-embedded-r2000-series-processors.md) · [AMD Ryzen™ Embedded 5000 Series Processors](https://agentprime.io/advisories/technology/amd-ryzentm-embedded-5000-series-processors.md) · [AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Raven Ridge")](https://agentprime.io/advisories/technology/amd-ryzentm-embedded-v1000-series-processors-formerly-codenamed-raven-ridge.md) · [AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Picasso")](https://agentprime.io/advisories/technology/amd-ryzentm-embedded-v1000-series-processors-formerly-codenamed-picasso.md) · [AMD Ryzen™ Embedded V2000 Series Processors](https://agentprime.io/advisories/technology/amd-ryzentm-embedded-v2000-series-processors.md) · [AMD Ryzen™ Embedded V3000 Series Processors](https://agentprime.io/advisories/technology/amd-ryzentm-embedded-v3000-series-processors.md) · [AMD Radeon™ RX 5000 Series Graphics Products](https://agentprime.io/advisories/technology/amd-radeontm-rx-5000-series-graphics-products.md) - **Published:** 1 Jun 2026 - **Updated:** 2 Jun 2026 - **Reviewed by a person:** No Published by the CVE Program (CNA: AMD) at 1 Jun 2026, 19:01 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. ## Affected products, as the CNA wrote them - Vendor: AMD. Product: AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics. - unaffected: `PicassoPI-FP5 1.0.0.E` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors. - unaffected: `CastlePeakWSPI-sWRX8 1.0.0.9` - unaffected: `ChagallWSPI-sWRX8 1.0.0.2` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics. - unaffected: `ComboAM4v2 PI 1.2.0.6` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors. - unaffected: `ChagallWSPI-sWRX8 1.0.0.1` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics. - unaffected: `RenoirPI-FP6 1.0.0.8` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics. - unaffected: `PicassoPI-FP5 1.0.0.E` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics. - unaffected: `CezannePI-FP6 1.0.0.9` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ 3000 Series Desktop Processors. - unaffected: `ComboAM4PI 1.0.0.9/ComboAM4 V2 PI 1.2.0.8` - Other versions: affected - Vendor: AMD. Product: AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics. - unaffected: `ComboAM4v2 PI 1.2.0.8` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics. - unaffected: `CezannePI-FP6 1.0.0.9` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ 4000 Series Desktop Processors. - unaffected: `ComboAM4v2 PI 1.2.0.6` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ 5000 Series Desktop Processors. - unaffected: `ComboAM4 V2 PI 1.2.0.8` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ Embedded R1000 Series Processors. - unaffected: `EmbeddedPI-FP5_1.2.0.A` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ Embedded R2000 Series Processors. - unaffected: `EmbeddedPI-FP5_1002` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ Embedded 5000 Series Processors. - unaffected: `EmbAM4PI 1.0.0.2` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Raven Ridge"). - unaffected: `EmbeddedPI-FP5_1.2.0.A` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Picasso"). - unaffected: `EmbeddedPI-FP5_1.2.0.A` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ Embedded V2000 Series Processors. - unaffected: `EmbeddedPI-FP6_1.0.0.6` - Other versions: affected - Vendor: AMD. Product: AMD Ryzen™ Embedded V3000 Series Processors. - unaffected: `EmbeddedPI-FP7r2_0080` - Other versions: affected - Vendor: AMD. Product: AMD Radeon™ RX 5000 Series Graphics Products. - unaffected: `AMD Software: Adrenalin Edition 25.11.1 (25.10.33.03)` - Other versions: affected - Vendor: AMD. Product: AMD Radeon™ PRO W5000 Series Graphics Products. - unaffected: `AMD Software: PRO Edition 25.Q3.1 (25.10.32)` - Other versions: affected - Vendor: AMD. Product: AMD Radeon™ RX 6000 Series Graphics Products. - unaffected: `AMD Software: Adrenalin Edition 25.11.1 (25.10.33.03)` - Other versions: affected - Vendor: AMD. Product: AMD Radeon™ RX 7000 Series Graphics Products. - unaffected: `AMD Software: Adrenalin Edition 25.11.1 (25.10.33.03)` - Other versions: affected - Vendor: AMD. Product: AMD Radeon™ PRO W6000 Series Graphics Products. - unaffected: `AMD Software: PRO Edition 25.Q3.1 (25.10.32)` - Other versions: affected - Vendor: AMD. Product: AMD Radeon™ PRO W7000 Series Graphics Products. - unaffected: `AMD Software: PRO Edition 25.Q3.1 (25.10.32)` - Other versions: affected - Vendor: AMD. Product: AMD Radeon™ PRO V520. - unaffected: `Contact your AMD Customer Engineering representative` - Other versions: affected - Vendor: AMD. Product: AMD Radeon™ PRO V620. - unaffected: `Contact your AMD Customer Engineering representative` - Other versions: affected ## Not analysed yet We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter. ## Severity and exploitation - 7.1 High, CVSS 4.0: `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`, from CNA (AMD) - **CISA KEV:** Not listed. - **EPSS:** 0.0010, the 1st percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days. ## Timeline This record came from the full history of the CVE Program, published 1 Jun 2026. New records show when each source confirmed them. ## Sources - [CVE List: CVE-2021-46747](https://www.cve.org/CVERecord?id=CVE-2021-46747) - [NVD: CVE-2021-46747](https://nvd.nist.gov/vuln/detail/CVE-2021-46747) ### References from the CNA - - Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description. ## Check whether this affects you This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run. - With the agentprime MCP server (), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: - As JSON: - Everything that needs attention now: --- The web page: . Everything for agents: .