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CVE-2021-20715

Estado: ModificadaMedia (4.3)—

Improper access control vulnerability in Hot Pepper Gourmet App for Android ver.4.111.0 and earlier, and for iOS ver.4.111.0 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)

Recruit-holdings — HOT Pepper Gourmet

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-20715",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "vultures@jpcert.or.jp",
      "affectedData": [
        {
          "vendor": "Recruit Co., Ltd.",
          "product": "Hot Pepper Gourmet App",
          "versions": [
            {
              "status": "affected",
              "version": "for Android ver.4.111.0 and earlier, and for iOS ver.4.111.0 and earlier"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-04-27T06:15:07.830",
  "references": [
    {
      "url": "https://jvn.jp/en/jp/JVN97434260/index.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "https://jvn.jp/en/jp/JVN97434260/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 Hot Pepper Gourmet App for Android ver.4.111.0 and earlier, and for iOS ver.4.111.0 and earlier allows a remote attacker to lead a user to access an arbitrary website via the vulnerable App."
    },
    {
      "lang": "es",
      "value": "La vulnerabilidad de control de acceso inapropiado en la aplicación Hot Pepper Gourmet para Android versiones 4.111.0 y anteriores, y para iOS versión 4.111.0 y anterior, permite a un atacante remoto conllevar a un usuario a acceder a un sitio web arbitrario por medio de la aplicación vulnerable"
    }
  ],
  "lastModified": "2026-06-17T03:34:18.460",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:recruit-holdings:hot_pepper_gourmet:*:*:*:*:*:android:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7F3E161A-B554-46FE-94F2-052B88592C87",
              "versionEndIncluding": "4.111.0"
            },
            {
              "criteria": "cpe:2.3:a:recruit-holdings:hot_pepper_gourmet:*:*:*:*:*:iphone_os:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FC43E9BB-46BE-4D17-9A10-4B6606AD11AA",
              "versionEndIncluding": "4.111.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "vultures@jpcert.or.jp"
}