FKIE_CVE-2021-0341

Vulnerability from fkie_nvd - Published: 2021-02-10 17:15 - Updated: 2026-06-17 03:29
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
In verifyHostName of OkHostnameVerifier.java, there is a possible way to accept a certificate for the wrong domain due to improperly used crypto. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10 Android-11Android ID: A-171980069
References
security@android.comhttps://source.android.com/security/bulletin/2021-02-01Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://source.android.com/security/bulletin/2021-02-01Patch, Vendor Advisory
Impacted products
Vendor Product Version
google android 8.1
google android 9.0
google android 10.0
google android 11.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Android",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Android-8.1 Android-9 Android-10 Android-11"
            }
          ]
        }
      ],
      "source": "security@android.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "B06BE74B-83F4-41A3-8AD3-2E6248F7B0B2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "8DFAAD08-36DA-4C95-8200-C29FE5B6B854",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "D558D965-FA70-4822-A770-419E73BA9ED3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "109DD7FD-3A48-4C3D-8E1A-4433B98E1E64",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In verifyHostName of OkHostnameVerifier.java, there is a possible way to accept a certificate for the wrong domain due to improperly used crypto. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10 Android-11Android ID: A-171980069"
    },
    {
      "lang": "es",
      "value": "En la funci\u00f3n verifyHostName del archivo OkHostnameVerifier.java, existe una forma posible de aceptar un certificado para el dominio incorrecto debido a un uso de criptograf\u00eda inapropiada.\u0026#xa0;Esto podr\u00eda conllevar a una divulgaci\u00f3n de informaci\u00f3n remota sin ser necesarios privilegios de ejecuci\u00f3n adicionales.\u0026#xa0;No es requerida una interacci\u00f3n del usuario para su explotaci\u00f3n. Producto: Android, Versiones: Android-8.1 Android-9 Android-10 Android-11, ID de Android: A-171980069"
    }
  ],
  "id": "CVE-2021-0341",
  "lastModified": "2026-06-17T03:29:49.400",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-02-10T17:15:22.037",
  "references": [
    {
      "source": "security@android.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://source.android.com/security/bulletin/2021-02-01"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://source.android.com/security/bulletin/2021-02-01"
    }
  ],
  "sourceIdentifier": "security@android.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-295"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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