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CVE-2021-20693

Estado: ModificadaAlta (7.5)—

Una vulnerabilidad de control de acceso inapropiado en la Aplicación Gurunavi para Android versiones ver.10.0.10 y anteriores y para iOS versiones ver.11.1.2 y anteriores, permite a un atacante remoto conducir un usuario a acceder a un sitio web arbitrario por medio de la App vulnerable

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Gurunavi — Gurunavi

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-20693",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "vultures@jpcert.or.jp",
      "affectedData": [
        {
          "vendor": "Gurunavi, Inc.",
          "product": "Gurunavi App",
          "versions": [
            {
              "status": "affected",
              "version": "for Android ver.10.0.10 and earlier and for iOS ver.11.1.2 and earlier"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-04-26T01:15:07.800",
  "references": [
    {
      "url": "https://jvn.jp/en/jp/JVN54025691/index.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "https://jvn.jp/en/jp/JVN54025691/index.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper access control vulnerability in Gurunavi App for Android ver.10.0.10 and earlier and for iOS ver.11.1.2 and earlier allows a remote attacker to lead a user to access an arbitrary website via the vulnerable App."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de control de acceso inapropiado en la Aplicación Gurunavi para Android versiones ver.10.0.10 y anteriores y para iOS versiones ver.11.1.2 y anteriores, permite a un atacante remoto conducir un usuario a acceder a un sitio web arbitrario por medio de la App vulnerable"
    }
  ],
  "lastModified": "2026-06-17T03:34:16.067",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:gurunavi:gurunavi:*:*:*:*:*:android:*:*",
              "vulnerable": true,
              "matchCriteriaId": "907637DE-DBE7-4806-9B01-5DC1DED714FE",
              "versionEndIncluding": "10.0.10"
            },
            {
              "criteria": "cpe:2.3:a:gurunavi:gurunavi:*:*:*:*:*:iphone_os:*:*",
              "vulnerable": true,
              "matchCriteriaId": "971656E6-85B4-4801-BAFB-98BFD0D8A403",
              "versionEndIncluding": "11.1.2"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "vultures@jpcert.or.jp"
}