« Volver al listado

CVE-2021-20728

Estado: ModificadaMedia (5.3)—

Improper access control vulnerability in goo blog App for Android ver.1.2.25 and earlier and for iOS ver.1.3.3 and earlier allows a remote attacker to lead a user to access an arbitrary website via the vulnerable App.

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)

Nttr — GOO Blog

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-20728",
  "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": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "vultures@jpcert.or.jp",
      "affectedData": [
        {
          "vendor": "NTT Resonant Incorporated",
          "product": "goo blog App",
          "versions": [
            {
              "status": "affected",
              "version": "goo blog App for Android ver.1.2.25 and earlier, and goo blog App for iOS ver.1.3.3 and earlier"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-06-09T02:15:06.707",
  "references": [
    {
      "url": "https://blog.goo.ne.jp/staffblog/e/d84a6b220222462094728301782885db",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "https://jvn.jp/en/jp/JVN91691168/index.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "https://blog.goo.ne.jp/staffblog/e/d84a6b220222462094728301782885db",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://jvn.jp/en/jp/JVN91691168/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": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper access control vulnerability in goo blog App for Android ver.1.2.25 and earlier and for iOS ver.1.3.3 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 goo blog para Android versiones .1.2.25 y anteriores y para iOS versiones.1.3.3 y anteriores, permite a un atacante remoto conllevar a un usuario a acceder a un sitio web arbitrario por medio de la Aplicación vulnerable"
    }
  ],
  "lastModified": "2026-06-17T03:34:19.847",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:nttr:goo_blog:*:*:*:*:*:android:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F3637DAF-56A1-4653-BEBD-28598FF0CB01",
              "versionEndIncluding": "1.2.25"
            },
            {
              "criteria": "cpe:2.3:a:nttr:goo_blog:*:*:*:*:*:iphone_os:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A163680D-2D50-4ADA-A026-EA375B7A1D83",
              "versionEndIncluding": "1.3.3"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "vultures@jpcert.or.jp"
}