cvelistv5 - cve-2021-26387

CVE-2021-26387 (GCVE-0-2021-26387)

Vulnerability from cvelistv5 – Published: 2024-08-13 16:50 – Updated: 2024-10-30 17:59

Summary

Insufficient access controls in ASP kernel may allow a privileged attacker with access to AMD signing keys and the BIOS menu or UEFI shell to map DRAM regions in protected areas, potentially leading to a loss of platform integrity.

Severity ?

3.9 (Low)


                        
                          CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L

CWE

CWE-863 - Incorrect Authorization

Assigner

AMD

References

URL

Tags

	https://www.amd.com/en/resources/product-security…	vendor-advisory
	https://www.amd.com/en/resources/product-security…

Impacted products

Vendor

Product

Version

AMD

AMD EPYC™ 7001 Series Processors

Affected: various (PI)

AMD	AMD EPYC™ 7002 Series Processors	Affected: various
AMD	AMD EPYC™ 7003 Series Processors	Affected: various
AMD	AMD EPYC™ 9004 Series Processors	Affected: various
AMD	AMD Ryzen™ 3000 Series Desktop Processors	Unaffected: ComboAM4PI 1.0.0.9 Unaffected: ComboAM4 V2 PI 1.2.0.8
AMD	AMD Ryzen™ 5000 Series Desktop Processors	Unaffected: ComboAM4 V2 PI 1.2.0.8
AMD	AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics	Unaffected: ComboAM4v2 PI 1.2.0.6
AMD	AMD Ryzen™ 7000 Series Desktop Processors	Unaffected: ComboAM5 1.0.8.0
AMD	AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics	Unaffected: ComboAM4PI 1.0.0.9 Unaffected: ComboAM4v2 PI 1.2.0.8
AMD	AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics	Unaffected: ComboAM4v2 PI 1.2.0.5
AMD	AMD Ryzen™ Threadripper™ 3000 Series Processors	Unaffected: CastlePeakPI-SP3r3 1.0.0.7
AMD	AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors	Unaffected: ChagallWSPI-sWRX8 1.0.0.2 Unaffected: CastlePeakWSPI-sWRX8 1.0.0.9
AMD	AMD Ryzen™ Threadripper™ PRO 5000WX Processors	Unaffected: ChagallWSPI-sWRX8 1.0.0.2
AMD	AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics	Unaffected: PicassoPI-FP5 1.0.0.E
AMD	AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics	Unaffected: PollockPI-FT5 1.0.0.4
AMD	AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics	Unaffected: PicassoPI-FP5 1.0.0.E
AMD	AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics	Unaffected: RenoirPI-FP6 1.0.0.8
AMD	AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics	Unaffected: CezannePI-FP6 1.0.0.9
AMD	AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics	Unaffected: CezannePI-FP6 1.0.0.9
AMD	AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics	Unaffected: RembrandtPI-FP7 1.0.0.9b
AMD	AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics	Unaffected: RembrandtPI-FP7 1.0.0.9b
AMD	AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics	Unaffected: CezannePI-FP6 1.0.0.9
AMD	AMD Ryzen™ 3000 Series Processors with Radeon™ Graphics	Unaffected: CezannePI-FP6 1.0.0.9
AMD	AMD EPYC™ Embedded 3000 Series Processors	Affected: various
AMD	AMD EPYC™ Embedded 7002 Series Processors	Affected: various
AMD	AMD EPYC™ Embedded 7003 Series Processors	Affected: various
AMD	AMD EPYC™ Embedded 9003 Series Processors	Affected: various
AMD	AMD Ryzen™ Embedded R1000 Series Processors	Unaffected: EmbeddedPI-FP5 1.2.0.A
AMD	AMD Ryzen™ Embedded R2000 Series Processors	Unaffected: EmbeddedR2KPI-FP5 1.0.0.2
AMD	AMD Ryzen™ Embedded 5000 Series Processors	Unaffected: EmbAM4PI 1.0.0.2
AMD	AMD Ryzen™ Embedded V1000 Series Processors	Unaffected: EmbeddedPI-FP5 1.2.0.A
AMD	AMD Ryzen™ Embedded V2000 Series Processors	Unaffected: EmbeddedPI-FP6 1.0.0.6
AMD	AMD Ryzen™ Embedded V3000 Series Processors	Unaffected: EmbeddedPI-FP7r2 1.0.0.9

Show details on NVD website

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To clipboard

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      "cveMetadata": "{\"cveId\": \"CVE-2021-26387\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-10-30T17:59:30.394Z\", \"dateReserved\": \"2021-01-29T21:24:26.161Z\", \"assignerOrgId\": \"b58fc414-a1e4-4f92-9d70-1add41838648\", \"datePublished\": \"2024-08-13T16:50:22.151Z\", \"assignerShortName\": \"AMD\"}",
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WID-SEC-W-2024-1837

Vulnerability from csaf_certbund - Published: 2024-08-13 22:00 - Updated: 2025-08-18 22:00

Summary

AMD Prozessoren: Mehrere Schwachstellen

Notes

Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.

Produktbeschreibung

Prozessoren sind die zentralen Rechenwerke eines Computers. Radeon bezeichnet eine Familie von Grafikkarten von AMD.

Angriff

Ein Angreifer kann mehrere Schwachstellen in AMD Prozessor und AMD Radeon ausnutzen, um beliebigen Programmcode auszuführen, erhöhte Rechte zu erlangen, einen Denial-of-Service-Zustand zu erzeugen, Daten zu manipulieren, Sicherheitsmaßnahmen zu umgehen und vertrauliche Informationen preiszugeben.

Betroffene Betriebssysteme

- Sonstiges - UNIX - Windows

JSON

To clipboard

{
  "document": {
    "aggregate_severity": {
      "text": "hoch"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Prozessoren sind die zentralen Rechenwerke eines Computers.\r\nRadeon bezeichnet eine Familie von Grafikkarten von AMD.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein Angreifer kann mehrere Schwachstellen in AMD Prozessor und AMD Radeon ausnutzen, um beliebigen Programmcode auszuf\u00fchren, erh\u00f6hte Rechte zu erlangen, einen Denial-of-Service-Zustand zu erzeugen, Daten zu manipulieren, Sicherheitsma\u00dfnahmen zu umgehen und vertrauliche Informationen preiszugeben.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Sonstiges\n- UNIX\n- Windows",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2024-1837 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2024/wid-sec-w-2024-1837.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2024-1837 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2024-1837"
      },
      {
        "category": "external",
        "summary": "AMD Security Bulletin vom 2024-08-13",
        "url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html"
      },
      {
        "category": "external",
        "summary": "AMD Security Bulletin vom 2024-08-13",
        "url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-4004.html"
      },
      {
        "category": "external",
        "summary": "AMD Security Bulletin vom 2024-08-13",
        "url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5002.html"
      },
      {
        "category": "external",
        "summary": "AMD Security Bulletin vom 2024-08-13",
        "url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-6013.html"
      },
      {
        "category": "external",
        "summary": "HP Security Bulletin HPSBHF03964 vom 2024-08-08",
        "url": "https://support.hp.com/de-de/document/ish_11024058-11038843-16/HPSBHF03964"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:7418 vom 2024-10-01",
        "url": "https://access.redhat.com/errata/RHSA-2024:7418"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:7482 vom 2024-10-02",
        "url": "https://access.redhat.com/errata/RHSA-2024:7482"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:7481 vom 2024-10-02",
        "url": "https://access.redhat.com/errata/RHSA-2024:7481"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:7483 vom 2024-10-02",
        "url": "https://access.redhat.com/errata/RHSA-2024:7483"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2024:7484 vom 2024-10-02",
        "url": "https://access.redhat.com/errata/RHSA-2024:7484"
      },
      {
        "category": "external",
        "summary": "Oracle Linux Security Advisory ELSA-2024-12797 vom 2024-10-23",
        "url": "https://linux.oracle.com/errata/ELSA-2024-12797.html"
      },
      {
        "category": "external",
        "summary": "Dell Security Advisory DSA-2024-307 vom 2024-12-03",
        "url": "https://www.dell.com/support/kbdoc/de-de/000256080/dsa-2024-307-security-update-for-dell-amd-based-gpu-vulnerabilities"
      },
      {
        "category": "external",
        "summary": "IBM Security Bulletin 7183573 vom 2025-02-18",
        "url": "https://www.ibm.com/support/pages/node/7183573"
      },
      {
        "category": "external",
        "summary": "Ubuntu Security Notice USN-7561-1 vom 2025-06-09",
        "url": "https://ubuntu.com/security/notices/USN-7561-1"
      },
      {
        "category": "external",
        "summary": "Dell Security Advisory DSA-2024-051 vom 2025-08-18",
        "url": "https://www.dell.com/support/kbdoc/de-de/000221360/dsa-2024-051"
      }
    ],
    "source_lang": "en-US",
    "title": "AMD Prozessoren: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2025-08-18T22:00:00.000+00:00",
      "generator": {
        "date": "2025-08-19T06:11:00.264+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.4.0"
        }
      },
      "id": "WID-SEC-W-2024-1837",
      "initial_release_date": "2024-08-13T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2024-08-13T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2024-08-20T22:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von HP aufgenommen"
        },
        {
          "date": "2024-09-30T22:00:00.000+00:00",
          "number": "3",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-10-01T22:00:00.000+00:00",
          "number": "4",
          "summary": "Neue Updates von Red Hat aufgenommen"
        },
        {
          "date": "2024-10-22T22:00:00.000+00:00",
          "number": "5",
          "summary": "Neue Updates von Oracle Linux aufgenommen"
        },
        {
          "date": "2024-12-03T23:00:00.000+00:00",
          "number": "6",
          "summary": "Neue Updates von Dell aufgenommen"
        },
        {
          "date": "2025-02-18T23:00:00.000+00:00",
          "number": "7",
          "summary": "Neue Updates von IBM und IBM-APAR aufgenommen"
        },
        {
          "date": "2025-06-09T22:00:00.000+00:00",
          "number": "8",
          "summary": "Neue Updates von Ubuntu aufgenommen"
        },
        {
          "date": "2025-08-18T22:00:00.000+00:00",
          "number": "9",
          "summary": "Neue Updates von Dell aufgenommen"
        }
      ],
      "status": "final",
      "version": "9"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "EPYC",
                "product": {
                  "name": "AMD Prozessor EPYC",
                  "product_id": "T036862",
                  "product_identification_helper": {
                    "cpe": "cpe:/h:amd:amd_processor:epyc"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "Ryzen",
                "product": {
                  "name": "AMD Prozessor Ryzen",
                  "product_id": "T036865",
                  "product_identification_helper": {
                    "cpe": "cpe:/h:amd:amd_processor:ryzen"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "Athlon",
                "product": {
                  "name": "AMD Prozessor Athlon",
                  "product_id": "T036866",
                  "product_identification_helper": {
                    "cpe": "cpe:/h:amd:amd_processor:athlon"
                  }
                }
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            ],
            "category": "product_name",
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          },
          {
            "category": "product_name",
            "name": "AMD Radeon",
            "product": {
              "name": "AMD Radeon",
              "product_id": "T036864",
              "product_identification_helper": {
                "cpe": "cpe:/h:amd:radeon:-"
              }
            }
          }
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        "category": "vendor",
        "name": "AMD"
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      {
        "branches": [
          {
            "category": "product_name",
            "name": "Dell Computer",
            "product": {
              "name": "Dell Computer",
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                "cpe": "cpe:/o:dell:dell_computer:-"
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      {
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            "category": "product_name",
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            "branches": [
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                "category": "product_version",
                "name": "v10",
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            "category": "product_name",
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        "branches": [
          {
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              "name": "Red Hat Enterprise Linux",
              "product_id": "67646",
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      "release_date": "2024-08-13T22:00:00.000+00:00",
      "title": "CVE-2021-26344"
    },
    {
      "cve": "CVE-2023-20578",
      "product_status": {
        "known_affected": [
          "T032786",
          "T036865",
          "67646",
          "T036866",
          "T000126",
          "T036868",
          "T036862",
          "T036864",
          "T004914",
          "T023373"
        ]
      },
      "release_date": "2024-08-13T22:00:00.000+00:00",
      "title": "CVE-2023-20578"
    },
    {
      "cve": "CVE-2023-20591",
      "product_status": {
        "known_affected": [
          "T032786",
          "T036865",
          "67646",
          "T036866",
          "T000126",
          "T036868",
          "T036862",
          "T036864",
          "T004914",
          "T023373"
        ]
      },
      "release_date": "2024-08-13T22:00:00.000+00:00",
      "title": "CVE-2023-20591"
    },
    {
      "cve": "CVE-2021-26367",
      "product_status": {
        "known_affected": [
          "T032786",
          "T036865",
          "67646",
          "T036866",
          "T000126",
          "T036868",
          "T036862",
          "T036864",
          "T004914",
          "T023373"
        ]
      },
      "release_date": "2024-08-13T22:00:00.000+00:00",
      "title": "CVE-2021-26367"
    },
    {
      "cve": "CVE-2021-26387",
      "product_status": {
        "known_affected": [
          "T032786",
          "T036865",
          "67646",
          "T036866",
          "T000126",
          "T036868",
          "T036862",
          "T036864",
          "T004914",
          "T023373"
        ]
      },
      "release_date": "2024-08-13T22:00:00.000+00:00",
      "title": "CVE-2021-26387"
    },
    {
      "cve": "CVE-2023-31356",
      "product_status": {
        "known_affected": [
          "T032786",
          "T036865",
          "67646",
          "T036866",
          "T000126",
          "T036868",
          "T036862",
          "T036864",
          "T004914",
          "T023373"
        ]
      },
      "release_date": "2024-08-13T22:00:00.000+00:00",
      "title": "CVE-2023-31356"
    },
    {
      "cve": "CVE-2023-20518",
      "product_status": {
        "known_affected": [
          "T032786",
          "T036865",
          "67646",
          "T036866",
          "T000126",
          "T036868",
          "T036862",
          "T036864",
          "T004914",
          "T023373"
        ]
      },
      "release_date": "2024-08-13T22:00:00.000+00:00",
      "title": "CVE-2023-20518"
    },
    {
      "cve": "CVE-2024-21969",
      "product_status": {
        "known_affected": [
          "T032786",
          "T036865",
          "67646",
          "T036866",
          "T000126",
          "T036868",
          "T036862",
          "T036864",
          "T004914",
          "T023373"
        ]
      },
      "release_date": "2024-08-13T22:00:00.000+00:00",
      "title": "CVE-2024-21969"
    },
    {
      "cve": "CVE-2024-21981",
      "product_status": {
        "known_affected": [
          "T032786",
          "T036865",
          "67646",
          "T036866",
          "T000126",
          "T036868",
          "T036862",
          "T036864",
          "T004914",
          "T023373"
        ]
      },
      "release_date": "2024-08-13T22:00:00.000+00:00",
      "title": "CVE-2024-21981"
    },
    {
      "cve": "CVE-2023-20584",
      "product_status": {
        "known_affected": [
          "T032786",
          "T036865",
          "67646",
          "T036866",
          "T000126",
          "T036868",
          "T036862",
          "T036864",
          "T004914",
          "T023373"
        ]
      },
      "release_date": "2024-08-13T22:00:00.000+00:00",
      "title": "CVE-2023-20584"
    },
    {
      "cve": "CVE-2021-46746",
      "product_status": {
        "known_affected": [
          "T032786",
          "T036865",
          "67646",
          "T036866",
          "T000126",
          "T036868",
          "T036862",
          "T036864",
          "T004914",
          "T023373"
        ]
      },
      "release_date": "2024-08-13T22:00:00.000+00:00",
      "title": "CVE-2021-46746"
    },
    {
      "cve": "CVE-2021-46772",
      "product_status": {
        "known_affected": [
          "T032786",
          "T036865",
          "67646",
          "T036866",
          "T000126",
          "T036868",
          "T036862",
          "T036864",
          "T004914",
          "T023373"
        ]
      },
      "release_date": "2024-08-13T22:00:00.000+00:00",
      "title": "CVE-2021-46772"
    },
    {
      "cve": "CVE-2022-23815",
      "product_status": {
        "known_affected": [
          "T032786",
          "T036865",
          "67646",
          "T036866",
          "T000126",
          "T036868",
          "T036862",
          "T036864",
          "T004914",
          "T023373"
        ]
      },
      "release_date": "2024-08-13T22:00:00.000+00:00",
      "title": "CVE-2022-23815"
    },
    {
      "cve": "CVE-2022-23817",
      "product_status": {
        "known_affected": [
          "T032786",
          "T036865",
          "67646",
          "T036866",
          "T000126",
          "T036868",
          "T036862",
          "T036864",
          "T004914",
          "T023373"
        ]
      },
      "release_date": "2024-08-13T22:00:00.000+00:00",
      "title": "CVE-2022-23817"
    }
  ]
}

FKIE_CVE-2021-26387

Vulnerability from fkie_nvd - Published: 2024-08-13 17:15 - Updated: 2024-10-30 18:35

Severity ?

3.9 (Low) - CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L

Summary

References

	URL	Tags
	psirt@amd.com	https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html
	psirt@amd.com	https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5002.html

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Insufficient access controls in ASP kernel may allow a\nprivileged attacker with access to AMD signing keys and the BIOS menu or UEFI\nshell to map DRAM regions in protected areas,\u00a0potentially leading to a loss of platform integrity."
    },
    {
      "lang": "es",
      "value": "Los controles de acceso insuficientes en el kernel ASP pueden permitir que un atacante privilegiado con acceso a las claves de firma de AMD y al men\u00fa BIOS o al shell UEFI asigne regiones DRAM en \u00e1reas protegidas, lo que podr\u00eda provocar una p\u00e9rdida de integridad de la plataforma."
    }
  ],
  "id": "CVE-2021-26387",
  "lastModified": "2024-10-30T18:35:00.703",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "LOW",
          "baseScore": 3.9,
          "baseSeverity": "LOW",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 0.8,
        "impactScore": 2.7,
        "source": "psirt@amd.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2024-08-13T17:15:17.563",
  "references": [
    {
      "source": "psirt@amd.com",
      "url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html"
    },
    {
      "source": "psirt@amd.com",
      "url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5002.html"
    }
  ],
  "sourceIdentifier": "psirt@amd.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-863"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}

GSD-2021-26387

Vulnerability from gsd - Updated: 2023-12-13 01:23

Details

** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.

Aliases

CVE-2021-26387

Aliases

CVE-2021-26387

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2021-26387",
    "id": "GSD-2021-26387"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-26387"
      ],
      "id": "GSD-2021-26387",
      "modified": "2023-12-13T01:23:32.935303Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2021-26387",
        "STATE": "RESERVED"
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided."
          }
        ]
      }
    }
  }
}

GHSA-MCM9-3RFG-2MQM

Vulnerability from github – Published: 2024-08-13 18:31 – Updated: 2024-10-30 21:30

Details

Severity ?

3.9 (Low)


                  
                    CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2021-26387"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-863"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-08-13T17:15:17Z",
    "severity": "LOW"
  },
  "details": "Insufficient access controls in ASP kernel may allow a\nprivileged attacker with access to AMD signing keys and the BIOS menu or UEFI\nshell to map DRAM regions in protected areas,\u00a0potentially leading to a loss of platform integrity.",
  "id": "GHSA-mcm9-3rfg-2mqm",
  "modified": "2024-10-30T21:30:37Z",
  "published": "2024-08-13T18:31:15Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-26387"
    },
    {
      "type": "WEB",
      "url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html"
    },
    {
      "type": "WEB",
      "url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5002.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L",
      "type": "CVSS_V3"
    }
  ]
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

CVE-2021-26387 (GCVE-0-2021-26387)

WID-SEC-W-2024-1837

FKIE_CVE-2021-26387

GSD-2021-26387

GHSA-MCM9-3RFG-2MQM

Tags

Sightings

Nomenclature