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

Vulnerability from cvelistv5 – Published: 2023-01-10 20:56 – Updated: 2025-04-09 13:25
VLAI
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
Impacted products
Vendor Product Version
AMD 3rd Gen EPYC Affected: various
Create a notification for this product.
Date Public
2023-01-10 17:30
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T20:26:24.896Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "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",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2021-26343",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-09T13:24:06.614880Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-668",
                "description": "CWE-668 Exposure of Resource to Wrong Sphere",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-09T13:25:42.403Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageName": "AGESA",
          "platforms": [
            "x86"
          ],
          "product": "3rd Gen EPYC",
          "vendor": "AMD",
          "versions": [
            {
              "status": "affected",
              "version": "various "
            }
          ]
        }
      ],
      "datePublic": "2023-01-10T17:30:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "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.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e"
            }
          ],
          "value": "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.\n\n\n"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-01-11T07:01:59.843Z",
        "orgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
        "shortName": "AMD"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032"
        }
      ],
      "source": {
        "advisory": "AMD-SB-1032",
        "discovery": "UNKNOWN"
      },
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648",
    "assignerShortName": "AMD",
    "cveId": "CVE-2021-26343",
    "datePublished": "2023-01-10T20:56:34.870Z",
    "dateReserved": "2021-01-29T21:24:26.144Z",
    "dateUpdated": "2025-04-09T13:25:42.403Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2021-26343",
      "date": "2026-06-06",
      "epss": "0.00064",
      "percentile": "0.20089"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-26343\",\"sourceIdentifier\":\"psirt@amd.com\",\"published\":\"2023-01-11T08:15:10.503\",\"lastModified\":\"2025-04-09T14:15:22.900\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"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.\\n\\n\\n\"},{\"lang\":\"es\",\"value\":\"Una validaci\u00f3n insuficiente en los comandos ASP BIOS y DRTM puede permitir que el software supervisor x86 malicioso revele el contenido de la memoria confidencial, lo que puede resultar en la divulgaci\u00f3n de informaci\u00f3n.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-668\"}]},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-668\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7003_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.3\",\"matchCriteriaId\":\"4E499C61-3359-4640-B128-DD3530196F87\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7003:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C912AA31-FB2D-4BD9-B1BD-3C8D7EEE771C\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_72f3_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.3\",\"matchCriteriaId\":\"16D8C19A-DFE6-46EE-B6FC-4B31A2207161\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_72f3:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7F98FF1A-3A2B-4CED-AEA2-9C4F2AC2D8C1\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7313_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.3\",\"matchCriteriaId\":\"03DE77AA-3E25-4118-AA8C-8C11BDAF60B5\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7313:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B02B61B7-7DD3-4164-8D32-EB961E981BC9\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7313p_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.3\",\"matchCriteriaId\":\"967966C5-D889-4957-AEF8-B4C6AA862406\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7313p:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9000686A-DC2B-4561-9C32-E90890EB2EBA\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7343_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.3\",\"matchCriteriaId\":\"C781429D-A2AB-49DD-BD4F-D6927DA8F70A\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7343:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"71B9C24B-2C10-4826-A91B-E1C60665FBBE\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7373x_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.3\",\"matchCriteriaId\":\"E5480AFE-B8EE-4B93-85FD-4EED10F971C4\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7373x:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"180B3002-B3C5-48B5-8322-5B64B237C5B9\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_73f3_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.3\",\"matchCriteriaId\":\"48A07311-E3ED-4CD0-BC38-45D64F0D0028\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_73f3:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"678C5F58-8AE9-46FF-8F01-4CF394C87A2C\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7413_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.3\",\"matchCriteriaId\":\"01EE19CC-0038-495B-9045-D83FA24BD957\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7413:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D1766FF1-77A9-4293-B826-F6A8FBD7AFBF\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7443_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.3\",\"matchCriteriaId\":\"B5D76DE0-48AB-4836-AE06-BD2765AD4B28\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7443:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4C474537-3006-41BA-8C3D-5C370E3ACECD\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7443p_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.3\",\"matchCriteriaId\":\"80B95B1D-1BD2-483D-9B7A-BEFDFB55D89A\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7443p:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8E2B13CA-72F4-4CF6-9E12-62E6E9056A14\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7453_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.3\",\"matchCriteriaId\":\"3E41600C-05BB-4248-8D67-406ABD618273\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7453:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"241E39FF-FE66-444C-A4C2-3D28C45341BE\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_74f3_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.3\",\"matchCriteriaId\":\"6A89D1AC-1027-4B97-808D-04855045DDAC\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_74f3:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"02D08121-DC57-47D7-8214-23A209F0AF08\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7513_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.3\",\"matchCriteriaId\":\"381F0305-767D-4844-A4BF-65D6DB0477F1\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7513:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F8264DF4-47B4-4716-AE89-44AFA870D385\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7543_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.3\",\"matchCriteriaId\":\"C27DB3DA-51DA-4BA7-A73D-E73DFD1BDF76\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7543:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"52544912-FAA3-4025-A5FD-151B21CEC53B\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7543p_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.3\",\"matchCriteriaId\":\"EA5AF78B-E2B7-477A-8889-6AA2B0349FF3\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7543p:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"77A0A47B-74A1-4731-92A8-BC10FFE58ECF\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7573x_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.3\",\"matchCriteriaId\":\"CE9B914A-9E5C-497E-8FC5-65D088F7C357\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7573x:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"237FB33B-BF08-4E3E-8E83-EB0AD2F12A4B\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_75f3_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.3\",\"matchCriteriaId\":\"64DBC1A7-5FE9-40F1-9E7F-5034F5DBDCCF\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_75f3:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"EBF0AFED-588A-4EFB-8C90-9280BC3A6720\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7643_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.3\",\"matchCriteriaId\":\"E4C42E77-6F6B-4D30-9321-3C5DFFD21C06\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7643:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"98E1D79D-0CB0-4FD9-8A82-27CDFBFE07B2\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7663_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.3\",\"matchCriteriaId\":\"AEAD9EE6-380B-4E07-BB5D-3255CD48200E\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7663:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A7DFCB62-6CDF-4AD2-9265-1887E5780CA5\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7713_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.3\",\"matchCriteriaId\":\"18B9F85B-1E48-4A4F-A7D9-D5AD2B60D94B\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7713:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4D698D3E-BB05-4C65-90F4-8DAE275CD6A4\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7713p_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.3\",\"matchCriteriaId\":\"60E3CD4B-2468-4823-83CD-349B6D279E14\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7713p:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2299ED50-B4D2-4BB3-AD87-56D552B84AE1\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7743_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.3\",\"matchCriteriaId\":\"DF0E9D3B-7317-48DD-AF1A-F743960E3F8D\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7743:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8C206A50-1225-4CC8-BC38-A7FEF4E2BA54\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7763_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.3\",\"matchCriteriaId\":\"9784ACCC-205F-4D8E-813B-3D80207EE865\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7763:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4F900BDD-F094-41A6-9A23-31F53DBA95D4\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:amd:epyc_7773x_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"milanpi_1.0.0.3\",\"matchCriteriaId\":\"A3B3FB12-65E2-40AF-8C2D-17021B5C182D\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:amd:epyc_7773x:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D02B1C69-BAA4-485B-BE22-46BE321F9E4E\"}]}]}],\"references\":[{\"url\":\"https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032\",\"source\":\"psirt@amd.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032\", \"tags\": [\"vendor-advisory\", \"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-03T20:26:24.896Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.5, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2021-26343\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-04-09T13:24:06.614880Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-668\", \"description\": \"CWE-668 Exposure of Resource to Wrong Sphere\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-04-09T13:24:41.542Z\"}}], \"cna\": {\"source\": {\"advisory\": \"AMD-SB-1032\", \"discovery\": \"UNKNOWN\"}, \"affected\": [{\"vendor\": \"AMD\", \"product\": \"3rd Gen EPYC\", \"versions\": [{\"status\": \"affected\", \"version\": \"various \"}], \"platforms\": [\"x86\"], \"packageName\": \"AGESA\", \"defaultStatus\": \"unaffected\"}], \"datePublic\": \"2023-01-10T17:30:00.000Z\", \"references\": [{\"url\": \"https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032\", \"tags\": [\"vendor-advisory\"]}], \"x_generator\": {\"engine\": \"Vulnogram 0.1.0-dev\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"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.\\n\\n\\n\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"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.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"text\", \"description\": \"n/a\"}]}], \"providerMetadata\": {\"orgId\": \"b58fc414-a1e4-4f92-9d70-1add41838648\", \"shortName\": \"AMD\", \"dateUpdated\": \"2023-01-11T07:01:59.843Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2021-26343\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-04-09T13:25:42.403Z\", \"dateReserved\": \"2021-01-29T21:24:26.144Z\", \"assignerOrgId\": \"b58fc414-a1e4-4f92-9d70-1add41838648\", \"datePublished\": \"2023-01-10T20:56:34.870Z\", \"assignerShortName\": \"AMD\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


Log in or create an account to share your comment.




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.