FKIE_CVE-2025-14020

Vulnerability from fkie_nvd - Published: 2025-12-15 07:15 - Updated: 2026-10-07 19:10
Severity
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Summary
LINE client for Android versions prior to 14.20 contains a UI spoofing vulnerability in the in-app browser where the full-screen security Toast notification is not properly re-displayed when users return from another application, potentially allowing attackers to conduct phishing attacks by impersonating legitimate interfaces.
References
dl_cve@linecorp.comhttps://hackerone.com/reports/2547989Permissions Required, Third Party Advisory
Impacted products
Vendor Product Version
linecorp line *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "LINE client for Android",
          "vendor": "LINE Corporation",
          "versions": [
            {
              "lessThan": "14.20",
              "status": "affected",
              "version": "10.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "dl_cve@linecorp.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:linecorp:line:*:*:*:*:*:android:*:*",
              "matchCriteriaId": "33F31182-C6E7-4A69-8CB3-3CC27B90C42A",
              "versionEndExcluding": "14.20.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "LINE client for Android versions prior to 14.20 contains a UI spoofing vulnerability in the in-app browser where the full-screen security Toast notification is not properly re-displayed when users return from another application, potentially allowing attackers to conduct phishing attacks by impersonating legitimate interfaces."
    },
    {
      "lang": "es",
      "value": "El cliente de LINE para versiones de Android anteriores a la 14.20 contiene una vulnerabilidad de suplantaci\u00f3n de interfaz de usuario (UI) en el navegador integrado en la aplicaci\u00f3n, donde la notificaci\u00f3n Toast de seguridad en pantalla completa no se vuelve a mostrar correctamente cuando los usuarios regresan de otra aplicaci\u00f3n, lo que podr\u00eda permitir a los atacantes realizar ataques de phishing suplantando interfaces leg\u00edtimas."
    }
  ],
  "id": "CVE-2025-14020",
  "lastModified": "2026-10-07T19:10:00.160",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.5,
        "source": "dl_cve@linecorp.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-14020",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-12-15T15:52:00.170038Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-12-15T07:15:50.720",
  "references": [
    {
      "source": "dl_cve@linecorp.com",
      "tags": [
        "Permissions Required",
        "Third Party Advisory"
      ],
      "url": "https://hackerone.com/reports/2547989"
    }
  ],
  "sourceIdentifier": "dl_cve@linecorp.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-451"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}



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