CVE-2021-46747 (GCVE-0-2021-46747)

Vulnerability from cvelistv5 – Published: 2026-06-01 19:01 – Updated: 2026-06-02 13:45
VLAI
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.
Severity
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
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-1220 - Insufficient Granularity of Access Control
Assigner
AMD
References
Impacted products
Vendor Product Version
AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics Unaffected: PicassoPI-FP5 1.0.0.E
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AMD AMD Ryzen™ Threadripper™ PRO 3000 WX-Series Processors Unaffected: CastlePeakWSPI-sWRX8 1.0.0.9
Unaffected: ChagallWSPI-sWRX8 1.0.0.2
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AMD AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics Unaffected: ComboAM4v2 PI 1.2.0.6
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AMD AMD Ryzen™ Threadripper™ PRO 5000 WX-Series Processors Unaffected: ChagallWSPI-sWRX8 1.0.0.1
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AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics Unaffected: RenoirPI-FP6 1.0.0.8
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AMD AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics Unaffected: PicassoPI-FP5 1.0.0.E
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AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics Unaffected: CezannePI-FP6 1.0.0.9
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AMD AMD Ryzen™ 3000 Series Desktop Processors Unaffected: ComboAM4PI 1.0.0.9/ComboAM4 V2 PI 1.2.0.8
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AMD AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics Unaffected: ComboAM4v2 PI 1.2.0.8
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AMD AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics Unaffected: CezannePI-FP6 1.0.0.9
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AMD AMD Ryzen™ 4000 Series Desktop Processors Unaffected: ComboAM4v2 PI 1.2.0.6
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AMD AMD Ryzen™ 5000 Series Desktop Processors Unaffected: ComboAM4 V2 PI 1.2.0.8
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AMD AMD Ryzen™ Embedded R1000 Series Processors Unaffected: EmbeddedPI-FP5_1.2.0.A
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AMD AMD Ryzen™ Embedded R2000 Series Processors Unaffected: EmbeddedPI-FP5_1002
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AMD AMD Ryzen™ Embedded 5000 Series Processors Unaffected: EmbAM4PI 1.0.0.2
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AMD AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Raven Ridge") Unaffected: EmbeddedPI-FP5_1.2.0.A
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AMD AMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Picasso") Unaffected: EmbeddedPI-FP5_1.2.0.A
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AMD AMD Ryzen™ Embedded V2000 Series Processors Unaffected: EmbeddedPI-FP6_1.0.0.6
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AMD AMD Ryzen™ Embedded V3000 Series Processors Unaffected: EmbeddedPI-FP7r2_0080
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AMD AMD Radeon™ RX 5000 Series Graphics Products Unaffected: AMD Software: Adrenalin Edition 25.11.1 (25.10.33.03)
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AMD AMD Radeon™ PRO W5000 Series Graphics Products Unaffected: AMD Software: PRO Edition 25.Q3.1 (25.10.32)
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AMD AMD Radeon™ RX 6000 Series Graphics Products Unaffected: AMD Software: Adrenalin Edition 25.11.1 (25.10.33.03)
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AMD AMD Radeon™ RX 7000 Series Graphics Products Unaffected: AMD Software: Adrenalin Edition 25.11.1 (25.10.33.03)
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AMD AMD Radeon™ PRO W6000 Series Graphics Products Unaffected: AMD Software: PRO Edition 25.Q3.1 (25.10.32)
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AMD AMD Radeon™ PRO W7000 Series Graphics Products Unaffected: AMD Software: PRO Edition 25.Q3.1 (25.10.32)
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AMD AMD Radeon™ PRO V520 Unaffected: Contact your AMD Customer Engineering representative
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AMD AMD Radeon™ PRO V620 Unaffected: Contact your AMD Customer Engineering representative
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Date Public
2026-06-01 18:56
Show details on NVD website
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Ryzen\\u2122 4000 Series Desktop Processors\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"ComboAM4v2 PI 1.2.0.6\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Ryzen\\u2122 5000 Series Desktop Processors\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"ComboAM4 V2 PI 1.2.0.8\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Ryzen\\u2122 Embedded R1000 Series Processors\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"EmbeddedPI-FP5_1.2.0.A\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Ryzen\\u2122 Embedded R2000 Series Processors\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"EmbeddedPI-FP5_1002\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Ryzen\\u2122 Embedded 5000 Series Processors\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"EmbAM4PI 1.0.0.2\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Ryzen\\u2122 Embedded V1000 Series Processors (formerly codenamed \\\"Raven Ridge\\\")\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"EmbeddedPI-FP5_1.2.0.A\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Ryzen\\u2122 Embedded V1000 Series Processors (formerly codenamed \\\"Picasso\\\")\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"EmbeddedPI-FP5_1.2.0.A\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Ryzen\\u2122 Embedded V2000 Series Processors\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"EmbeddedPI-FP6_1.0.0.6\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Ryzen\\u2122 Embedded V3000 Series Processors\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"EmbeddedPI-FP7r2_0080\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Radeon\\u2122 RX 5000 Series Graphics Products\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"AMD Software: Adrenalin Edition 25.11.1 (25.10.33.03)\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Radeon\\u2122 PRO W5000 Series Graphics Products\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"AMD Software: PRO Edition 25.Q3.1 (25.10.32)\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Radeon\\u2122 RX 6000 Series Graphics Products\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"AMD Software: Adrenalin Edition 25.11.1 (25.10.33.03)\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Radeon\\u2122 RX 7000 Series Graphics Products\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"AMD Software: Adrenalin Edition 25.11.1 (25.10.33.03)\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Radeon\\u2122 PRO W6000 Series Graphics Products\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"AMD Software: PRO Edition 25.Q3.1 (25.10.32)\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Radeon\\u2122 PRO W7000 Series Graphics Products\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"AMD Software: PRO Edition 25.Q3.1 (25.10.32)\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Radeon\\u2122 PRO V520\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"Contact your AMD Customer Engineering representative\"}], \"defaultStatus\": \"affected\"}, {\"vendor\": \"AMD\", \"product\": \"AMD Radeon\\u2122 PRO V620\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"Contact your AMD Customer Engineering representative\"}], \"defaultStatus\": \"affected\"}], \"datePublic\": \"2026-06-01T18:56:00.000Z\", \"references\": [{\"url\": \"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4017.html\"}, {\"url\": \"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6027.html\"}], \"x_generator\": {\"engine\": \"AMD PSIRT Automation 1.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"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.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"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. \u003cbr\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-1220\", \"description\": \"CWE-1220  Insufficient Granularity of Access Control\"}]}], \"providerMetadata\": {\"orgId\": \"b58fc414-a1e4-4f92-9d70-1add41838648\", \"shortName\": \"AMD\", \"dateUpdated\": \"2026-06-01T19:01:27.968Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2021-46747\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-06-02T13:45:20.545Z\", \"dateReserved\": \"2022-03-31T16:50:27.864Z\", \"assignerOrgId\": \"b58fc414-a1e4-4f92-9d70-1add41838648\", \"datePublished\": \"2026-06-01T19:01:27.968Z\", \"assignerShortName\": \"AMD\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.