CVE-2026-84731

{
  "etk_id": "ETK-2026-1699",
  "cve_id": "CVE-2026-84731",
  "display_id": "CVE-2026-84731",
  "ghsa_id": "GHSA-rj7h-w2v7-v863",
  "euvd_id": "EUVD-2026-102206",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Authentication bypass in Nutanix AOS Prism Element",
  "summary": "Affected Nutanix AOS deployments may allow unauthenticated access to Prism Element administrative APIs because authentication filtering is misconfigured. An attacker able to reach the affected management interface could gain cluster-administrator access and execute commands on Controller VMs, exposing cluster operations and hosted data.",
  "mitigation": "Upgrade Nutanix AOS to 7.3.1.18, 7.5.2, or 7.6.0.8, as appropriate for the release train. Until upgrading, restrict Prism Element management-interface access to trusted administrative networks.",
  "vendor": "Nutanix",
  "product": "Acropolis Operating System (AOS)",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, < 7.3.1.18",
        ">= 7.5, < 7.5.2",
        ">= 7.6, < 7.6.0.8"
      ],
      "ecosystem": null,
      "fixed_versions": [
        "7.3.1.18",
        "7.5.2",
        "7.6.0.8"
      ],
      "package_name": "Acropolis Operating System (AOS)",
      "purl": null
    }
  ],
  "cwes": [
    306
  ],
  "cvss_score": 9.3,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/S:N/AU:Y/R:U/V:C/RE:H/U:Red",
  "epss_score": 0.0128,
  "epss_percentile": 0.697,
  "epss_asof": "2026-10-20",
  "automation": "deterministic",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 31.595151533333333,
  "t0_at": "2026-10-15T17:10:29.432000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-15T17:10:29.432000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-15T17:10:29.432000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-84731"
    }
  }
}