FKIE_CVE-2020-5604

Vulnerability from fkie_nvd - Published: 2020-07-09 02:15 - Updated: 2026-06-17 03:21
Severity
8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Android App 'Mercari' (Japan version) prior to version 3.52.0 allows arbitrary method execution of a Java object by a remote attacker via a Man-In-The-Middle attack by using Java Reflection API of JavaScript code on WebView.
References
vultures@jpcert.or.jphttps://jvn.jp/en/jp/JVN93167107/index.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://jvn.jp/en/jp/JVN93167107/index.htmlThird Party Advisory
Impacted products
Vendor Product Version
mercari mercari *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Android App \u0027Mercari\u0027 (Japan version)",
          "vendor": "Mercari, Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "prior to version 3.52.0"
            }
          ]
        }
      ],
      "source": "vultures@jpcert.or.jp"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mercari:mercari:*:*:*:*:*:android:*:*",
              "matchCriteriaId": "58AD0B84-89D0-42CB-873F-F3D52C90DE39",
              "versionEndExcluding": "3.52.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Android App \u0027Mercari\u0027 (Japan version) prior to version 3.52.0 allows arbitrary method execution of a Java object by a remote attacker via a Man-In-The-Middle attack by using Java Reflection API of JavaScript code on WebView."
    },
    {
      "lang": "es",
      "value": "La aplicaci\u00f3n Android \u0027Mercari\u0027 (versi\u00f3n japonesa) anterior a la versi\u00f3n 3.52.0 permite la ejecuci\u00f3n de un m\u00e9todo arbitrario de un objeto Java por parte de un atacante remoto a trav\u00e9s de un ataque Man-In-The-Middle utilizando la API de Java Reflection de c\u00f3digo JavaScript en WebView"
    }
  ],
  "id": "CVE-2020-5604",
  "lastModified": "2026-06-17T03:21:40.827",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-07-09T02:15:10.527",
  "references": [
    {
      "source": "vultures@jpcert.or.jp",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://jvn.jp/en/jp/JVN93167107/index.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://jvn.jp/en/jp/JVN93167107/index.html"
    }
  ],
  "sourceIdentifier": "vultures@jpcert.or.jp",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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