{
  "cveId": "CVE-2021-28545",
  "url": "https://patchblox.com/security/cve/CVE-2021-28545",
  "summary": "CVE-2021-28545 is fixed in Adobe Acrobat Reader DC on 1 platform by Adobe Acrobat Reader DC 21.001.20155 (version 21.001.20155), released April 27, 2021. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Acrobat Reader DC Missing Support for Integrity Check",
  "description": "Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are missing support for an integrity check. An unauthenticated attacker would have the ability to completely manipulate data in a certified PDF without invalidating the original certification. Exploitation of this issue requires user interaction in that a victim must open the tampered file.",
  "published": "2021-04-01T14:15:13Z",
  "severity": "",
  "cvss": 8.1,
  "cwe": "CWE-353: Missing Support for Integrity Check (CWE-353)",
  "epss": 0.02514,
  "epssPercentile": 0.84895,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2021-28545",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "Adobe Acrobat Reader DC",
      "fixedVersion": "21.001.20155",
      "fix": "Adobe Acrobat Reader DC 21.001.20155",
      "url": "https://patchblox.com/security/fix/windows-app/adobe.acrobat.reader.32-bit-21.001.20155",
      "released": "2021-04-27T00:00:00Z"
    }
  ],
  "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"
  }
}