{
  "id": "CVE-2020-36424",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2021-07-19T17:15:11.277",
  "lastModified": "2023-01-11T17:02:38.137",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in Arm Mbed TLS before 2.24.0. An attacker can recover a private key (for RSA or static Diffie-Hellman) via a side-channel attack against generation of base blinding/unblinding values."
    },
    {
      "lang": "es",
      "value": "Se ha detectado un problema en Arm Mbed TLS versiones anteriores a 2.24.0. Un atacante puede recuperar una clave privada (para RSA o Diffie-Hellman est\u00e1tico) por medio de un ataque de canal lateral contra la generaci\u00f3n de valores blinding/unblinding de base"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "attackVector": "LOCAL",
          "attackComplexity": "HIGH",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.7,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:L/AC:M/Au:N/C:P/I:N/A:N",
          "accessVector": "LOCAL",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 1.9
        },
        "baseSeverity": "LOW",
        "exploitabilityScore": 3.4,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-203"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "2.7.17",
              "matchCriteriaId": "7B433A90-3067-4BE3-8ADC-27526D105208"
            },
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              "vulnerable": true,
              "criteria": "cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*",
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          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
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  ],
  "references": [
    {
      "url": "https://bugs.gentoo.org/740108",
      "source": "cve@mitre.org",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.8",
      "source": "cve@mitre.org",
      "tags": [
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        "Third Party Advisory"
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    },
    {
      "url": "https://github.com/ARMmbed/mbedtls/releases/tag/v2.24.0",
      "source": "cve@mitre.org",
      "tags": [
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        "Third Party Advisory"
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    {
      "url": "https://github.com/ARMmbed/mbedtls/releases/tag/v2.7.17",
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html",
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2020-09-2",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}