{
  "id": "CVE-2021-23958",
  "sourceIdentifier": "security@mozilla.org",
  "published": "2021-02-26T03:15:13.777",
  "lastModified": "2021-03-03T20:34:12.360",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "The browser could have been confused into transferring a screen sharing state into another tab, which would leak unintended information. This vulnerability affects Firefox < 85."
    },
    {
      "lang": "es",
      "value": "El navegador podr\u00eda haber sido confundido en transferir un estado de pantalla compartida a otra pesta\u00f1a, lo que filtrar\u00eda informaci\u00f3n no deseada.&#xa0;Esta vulnerabilidad afecta a Firefox versiones anteriores a 85"
    }
  ],
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        "type": "Primary",
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          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM"
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        "exploitabilityScore": 2.8,
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          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.3
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        "baseSeverity": "MEDIUM",
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        "obtainAllPrivilege": false,
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  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
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          "lang": "en",
          "value": "CWE-668"
        }
      ]
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  "references": [
    {
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1642747",
      "source": "security@mozilla.org",
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        "Issue Tracking",
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}