{
  "cveId": "CVE-2021-28634",
  "url": "https://patchblox.com/security/cve/CVE-2021-28634",
  "summary": "CVE-2021-28634 is fixed in Adobe Acrobat Reader DC on 1 platform by Adobe Acrobat Reader DC 21.005.20058 (version 21.005.20058), released June 27, 2021. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Adobe Acrobat Reader AcrobatUtils.scpt Extension OS Command Injection Vulnerability",
  "description": "Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by an Improper Neutralization of Special Elements used in an OS Command. An authenticated attacker could leverage this vulnerability to achieve arbitrary code execution on the host machine in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.",
  "published": "2021-08-20T19:15:09Z",
  "severity": "",
  "cvss": 8.2,
  "cwe": "CWE-78: Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027) (CWE-78)",
  "epss": 0.02214,
  "epssPercentile": 0.82727,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2021-28634",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "Adobe Acrobat Reader DC",
      "fixedVersion": "21.005.20058",
      "fix": "Adobe Acrobat Reader DC 21.005.20058",
      "url": "https://patchblox.com/security/fix/windows-app/adobe.acrobat.reader.32-bit-21.005.20058",
      "released": "2021-06-27T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}