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CVE-2024-4766

Estado: AnalizadaMedia (4.3)—

Existían diferentes técnicas para ocultar la notificación de pantalla completa en Firefox para Android. Esto podría haber dado lugar a posibles confusión del usuario y ataques de suplantación de identidad. *Este error sólo afecta a Firefox para Android. Otras versiones de Firefox no se ven afectadas.* Esta vulnerabilidad afecta a Firefox < 126.

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)

Mozilla — Firefox

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2024-4766",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-4766",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-05-24T16:35:57.787919Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "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": "security@mozilla.org",
      "affectedData": [
        {
          "vendor": "Mozilla",
          "product": "Firefox",
          "versions": [
            {
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              "version": "unspecified",
              "lessThan": "126",
              "versionType": "custom"
            }
          ]
        }
      ]
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  ],
  "published": "2024-05-14T18:15:13.393",
  "references": [
    {
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1871214",
      "tags": [
        "Issue Tracking"
      ],
      "source": "security@mozilla.org"
    },
    {
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1871217",
      "tags": [
        "Issue Tracking"
      ],
      "source": "security@mozilla.org"
    },
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      "url": "https://www.mozilla.org/security/advisories/mfsa2024-21/",
      "tags": [
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      ],
      "source": "security@mozilla.org"
    },
    {
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1871214",
      "tags": [
        "Issue Tracking"
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    },
    {
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1871217",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.mozilla.org/security/advisories/mfsa2024-21/",
      "tags": [
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      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Different techniques existed to obscure the fullscreen notification in Firefox for Android.  These could have led to potential user confusion and spoofing attacks.\n*This bug only affects Firefox for Android. Other versions of Firefox are unaffected.* This vulnerability affects Firefox < 126."
    },
    {
      "lang": "es",
      "value": "Existían diferentes técnicas para ocultar la notificación de pantalla completa en Firefox para Android. Esto podría haber dado lugar a posibles confusión del usuario y ataques de suplantación de identidad. *Este error sólo afecta a Firefox para Android. Otras versiones de Firefox no se ven afectadas.* Esta vulnerabilidad afecta a Firefox &lt; 126."
    }
  ],
  "lastModified": "2026-06-17T08:02:51.510",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "matchCriteriaId": "706B671C-BEF5-488D-BCEF-3A5342A4DD1C",
              "versionEndExcluding": "126.0"
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  "sourceIdentifier": "security@mozilla.org"
}