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CVE-2012-4012

Status: ModifiedMedium (4.3)—

The WebView class in the Cybozu KUNAI application before 2.0.6 for Android allows remote attackers to execute arbitrary JavaScript code, and obtain sensitive information, via a crafted application that places this code into a local file associated with a file: URL.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Cybozu — Kunai

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2012-4012",
  "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:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "vultures@jpcert.or.jp",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2012-09-08T10:28:21.760",
  "references": [
    {
      "url": "http://cs.cybozu.co.jp/information/20120910up02.php",
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "http://jvn.jp/en/jp/JVN59652356/index.html",
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "http://jvndb.jvn.jp/jvndb/JVNDB-2012-000084",
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "http://cs.cybozu.co.jp/information/20120910up02.php",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://jvn.jp/en/jp/JVN59652356/index.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://jvndb.jvn.jp/jvndb/JVNDB-2012-000084",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The WebView class in the Cybozu KUNAI application before 2.0.6 for Android allows remote attackers to execute arbitrary JavaScript code, and obtain sensitive information, via a crafted application that places this code into a local file associated with a file: URL."
    },
    {
      "lang": "es",
      "value": "La clase WebView en la aplicación Cybozu kunai anterior a v2.0.6 para Android permite a atacantes remotos ejecutar código JavaScript y obtener información sensible a través de una aplicación manipulada que coloca su código código en un archivo local asociado con un fichero: URL."
    }
  ],
  "lastModified": "2026-06-16T23:44:16.280",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:cybozu:kunai:*:-:*:*:*:android:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E7BDCFE3-440F-49CB-8DA4-B68C560CB4B6",
              "versionEndIncluding": "2.0.5"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "vultures@jpcert.or.jp"
}