Vulnerability-Lookup

GHSA-M338-VVR5-WRPH

Vulnerability from github – Published: 2023-01-11 09:30 – Updated: 2023-01-19 00:30

Details

Insufficient validation in ASP BIOS and DRTM commands may allow malicious supervisor x86 software to disclose the contents of sensitive memory which may result in information disclosure.

Severity

5.5 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2021-26343"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-668"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-01-11T08:15:00Z",
    "severity": "MODERATE"
  },
  "details": "Insufficient validation in ASP BIOS and DRTM commands may allow malicious supervisor x86 software to disclose the contents of sensitive memory which may result in information disclosure.",
  "id": "GHSA-m338-vvr5-wrph",
  "modified": "2023-01-19T00:30:31Z",
  "published": "2023-01-11T09:30:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-26343"
    },
    {
      "type": "WEB",
      "url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2021-26343 (GCVE-0-2021-26343)

Vulnerability from cvelistv5 – Published: 2023-01-10 20:56 – Updated: 2025-04-09 13:25

Summary

Insufficient validation in ASP BIOS and DRTM commands may allow malicious supervisor x86 software to disclose the contents of sensitive memory which may result in information disclosure.

Severity

5.5 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

n/a
CWE-668 - Exposure of Resource to Wrong Sphere

Assigner

AMD

References

1 reference

URL	Tags
https://www.amd.com/en/corporate/product-security…	vendor-advisory

Impacted products

1 product

Vendor	Product	Version
AMD	3rd Gen EPYC	Affected: various

Date Public

2023-01-10 17:30

Show details on NVD website

JSON

To clipboard

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        "references": [
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            "tags": [
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              "x_transferred"
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            "url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032"
          }
        ],
        "title": "CVE Program Container"
      },
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        "metrics": [
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            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "NONE",
              "baseScore": 5.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
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                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-09T13:24:06.614880Z",
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              },
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            "descriptions": [
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          "packageName": "AGESA",
          "platforms": [
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          "vendor": "AMD",
          "versions": [
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      "datePublic": "2023-01-10T17:30:00.000Z",
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        "dateUpdated": "2023-01-11T07:01:59.843Z",
        "orgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
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      "references": [
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          "url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032"
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    "datePublished": "2023-01-10T20:56:34.870Z",
    "dateReserved": "2021-01-29T21:24:26.144Z",
    "dateUpdated": "2025-04-09T13:25:42.403Z",
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}

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.

Action not permitted

GHSA-M338-VVR5-WRPH

CVE-2021-26343 (GCVE-0-2021-26343)

Tags

Sightings

Nomenclature