{
  "cveId": "CVE-2020-15657",
  "url": "https://patchblox.com/security/cve/CVE-2020-15657",
  "summary": "CVE-2020-15657 is fixed in 2 products on 1 platform, first by Mozilla Thunderbird (en-US) 78.1.0, released July 29, 2020. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Firefox ESR and 2 others: Firefox could be made to load attacker-supplied DLL files from the installation directory.",
  "description": "Firefox could be made to load attacker-supplied DLL files from the installation directory. This required an attacker that is already capable of placing files in the installation directory. *Note: This issue only affected Windows operating systems. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR \u003C 78.1, Firefox \u003C 79, and Thunderbird \u003C 78.1.",
  "published": "2020-08-10T18:15:12Z",
  "severity": "",
  "cvss": 7.8,
  "epss": 0.00353,
  "epssPercentile": 0.29164,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2020-15657",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "Mozilla Firefox ESR (en-US)",
      "fixedVersion": "91.0",
      "fix": "Mozilla Firefox ESR (en-US) 91.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.firefox.esr-91.0",
      "released": "2021-08-04T00:00:00Z"
    },
    {
      "platform": "windows-app",
      "product": "Mozilla Thunderbird (en-US)",
      "fixedVersion": "78.1.0",
      "fix": "Mozilla Thunderbird (en-US) 78.1.0",
      "url": "https://patchblox.com/security/fix/windows-app/mozilla.thunderbird-78.1.0",
      "released": "2020-07-29T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}