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CVE-2022-22820

Estado: ModificadaMedia (5.5)—

Debido a una falta de comprobaciones de archivos multimedia antes de la renderización, era posible que un atacante causara un consumo anormal de CPU para el destinatario del mensaje mediante el envío de una imagen gif especialmente diseñada en LINE para Windows versiones anteriores a 7.4

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)

Linecorp — Line

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2022-22820",
  "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:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "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": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "dl_cve@linecorp.com",
      "affectedData": [
        {
          "vendor": "LINE Corporation",
          "product": "LINE for Windows",
          "versions": [
            {
              "status": "affected",
              "version": "<"
            }
          ]
        }
      ]
    }
  ],
  "published": "2022-01-20T12:15:08.727",
  "references": [
    {
      "url": "https://hackerone.com/reports/1357400",
      "tags": [
        "Permissions Required"
      ],
      "source": "dl_cve@linecorp.com"
    },
    {
      "url": "https://hackerone.com/reports/1357400",
      "tags": [
        "Permissions Required"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Due to the lack of media file checks before rendering, it was possible for an attacker to cause abnormal CPU consumption for message recipient by sending specially crafted gif image in LINE for Windows before 7.4."
    },
    {
      "lang": "es",
      "value": "Debido a una falta de comprobaciones de archivos multimedia antes de la renderización, era posible que un atacante causara un consumo anormal de CPU para el destinatario del mensaje mediante el envío de una imagen gif especialmente diseñada en LINE para Windows versiones anteriores a 7.4"
    }
  ],
  "lastModified": "2026-06-17T04:29:05.903",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:linecorp:line:*:*:*:*:*:windows:*:*",
              "vulnerable": true,
              "matchCriteriaId": "61717960-C6DB-4540-9202-E2C541770836",
              "versionEndExcluding": "7.4.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "dl_cve@linecorp.com"
}