{
  "cveId": "CVE-2021-21057",
  "url": "https://patchblox.com/security/cve/CVE-2021-21057",
  "summary": "CVE-2021-21057 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: Routine.",
  "title": "Acrobat Reader DC Invalid Memory Read Due To An Uninitialized Pointer",
  "description": "Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a null pointer dereference vulnerability when parsing a specially crafted PDF file. An unauthenticated attacker could leverage this vulnerability to achieve denial of service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.",
  "published": "2021-02-11T20:15:15Z",
  "severity": "",
  "cvss": 6.6,
  "cwe": "CWE-476: NULL Pointer Dereference (CWE-476)",
  "epss": 0.01146,
  "epssPercentile": 0.66952,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2021-21057",
  "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": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}