{
  "cveId": "CVE-2021-35540",
  "url": "https://patchblox.com/security/cve/CVE-2021-35540",
  "summary": "CVE-2021-35540 is fixed in Oracle VirtualBox on 1 platform by Oracle VirtualBox 6.1.28 (version 6.1.28), released October 18, 2021. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "Oracle VM VirtualBox: Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core).",
  "description": "Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is Prior to 6.1.28. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle VM VirtualBox. CVSS 3.1 Base Score 5.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).",
  "published": "2021-10-20T11:16:30Z",
  "severity": "",
  "cvss": 5.5,
  "epss": 0.00391,
  "epssPercentile": 0.33505,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://nvd.nist.gov/vuln/detail/CVE-2021-35540",
  "fixes": [
    {
      "platform": "windows-app",
      "product": "Oracle VirtualBox",
      "fixedVersion": "6.1.28",
      "fix": "Oracle VirtualBox 6.1.28",
      "url": "https://patchblox.com/security/fix/windows-app/oracle.virtualbox-6.1.28",
      "released": "2021-10-18T00:00:00Z"
    }
  ],
  "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"
  }
}