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CVE-2021-0001

Status: ModifiedMedium (4.7)—

Observable timing discrepancy in Intel(R) IPP before version 2020 update 1 may allow authorized user to potentially enable information disclosure via local access.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (4)

Intel — Integrated Performance Primitives CryptographyIntel — SGX DcapIntel — SGX PSWIntel — SGX SDK

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2021-0001",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 2.1,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.7,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1
      }
    ]
  },
  "affected": [
    {
      "source": "secure@intel.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "Intel(R) IPP",
          "versions": [
            {
              "status": "affected",
              "version": "before version 2020 update 1"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-06-09T20:15:08.180",
  "references": [
    {
      "url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00477.html",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secure@intel.com"
    },
    {
      "url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00477.html",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-203"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Observable timing discrepancy in Intel(R) IPP before version 2020 update 1 may allow authorized user to potentially enable information disclosure via local access."
    },
    {
      "lang": "es",
      "value": "Una discrepancia de tiempo observable en Intel® IPP versiones anteriores a 2020 update 1, puede permitir a un usuario autorizado permitir potencialmente una divulgación de información por medio de un acceso local"
    }
  ],
  "lastModified": "2026-06-17T03:28:57.230",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:intel:integrated_performance_primitives_cryptography:2019:-:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C228B092-D84F-4A92-B9A7-C85E069ACE04"
            },
            {
              "criteria": "cpe:2.3:a:intel:integrated_performance_primitives_cryptography:2019:update_1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1D59D26E-C3A9-425D-BF47-9F100406B55C"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "A5E59DAE-EDD5-41E2-81EB-68CCEE6111C4"
            },
            {
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              "matchCriteriaId": "43B76D8D-6BF9-4468-896B-C41E777E2B19"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "46B03979-727A-4230-8B35-7BC9F4C24D7C"
            },
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              "vulnerable": true,
              "matchCriteriaId": "6FCBAD61-98CA-4FC4-B748-E2367EF8D4C4"
            },
            {
              "criteria": "cpe:2.3:a:intel:sgx_dcap:*:*:*:*:*:linux:*:*",
              "vulnerable": true,
              "matchCriteriaId": "051C831D-C8FB-41F5-B2B9-152C7B7FE66D",
              "versionEndIncluding": "1.10.100.4"
            },
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              "vulnerable": true,
              "matchCriteriaId": "7D87FA8C-54D8-4C79-9A46-59563B6A1B05",
              "versionEndIncluding": "1.10.100.4"
            },
            {
              "criteria": "cpe:2.3:a:intel:sgx_psw:*:*:*:*:*:windows:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0347067C-4AEC-4F6A-B35B-21671FC553F4",
              "versionEndIncluding": "2.12.100.4"
            },
            {
              "criteria": "cpe:2.3:a:intel:sgx_psw:*:*:*:*:*:linux:*:*",
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              "versionEndIncluding": "2.13.100.4"
            },
            {
              "criteria": "cpe:2.3:a:intel:sgx_sdk:*:*:*:*:*:windows:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B5717416-A859-45C8-BBF1-F33AF80536B3",
              "versionEndIncluding": "2.12.100.4"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "3643652F-9986-48AB-A479-91BC7AFB2847",
              "versionEndIncluding": "2.13.100.4"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secure@intel.com"
}