CVE-2026-85102

{
  "etk_id": "ETK-2026-56",
  "cve_id": "CVE-2026-85102",
  "display_id": "CVE-2026-85102",
  "ghsa_id": null,
  "euvd_id": "EUVD-2026-75009",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Improper certificate validation in Quantum Security Gateway",
  "summary": "Check Point Quantum Security Gateway is affected by a certificate trust validation flaw during VPN negotiation. An unauthenticated remote attacker may be able to execute code on a gateway by reaching the vulnerable VPN negotiation path.",
  "mitigation": "Restrict access to VPN negotiation services to trusted networks and monitor gateway VPN activity for unexpected connections. Apply the vendor's security update when it becomes available; no fixed version is recorded in the advisory.",
  "vendor": "checkpoint",
  "product": "Quantum Security Gateway",
  "affected": [
    {
      "affected_notes": [
        "R82.10 with Jumbo Hotfix Take 43 or below",
        "R82 with Jumbo Hotfix Take 125 or below",
        "R81.20 with Jumbo Hotfix Take 165 or below"
      ],
      "affected_ranges": [],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "Quantum Security Gateway",
      "purl": null
    }
  ],
  "cwes": [
    295
  ],
  "cvss_score": 9.8,
  "cvss_src": "nvd",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "epss_score": 0.504,
  "epss_percentile": 0.9891,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": true,
  "check_confidence_basis": "assessed",
  "exploit": false,
  "pipeline_minutes": 14.62530875,
  "t0_at": "2026-09-09T13:00:31.206000+00:00",
  "signals": {
    "check": {
      "at": "2026-10-07T19:46:56.480994+00:00",
      "days": 28.282236979097224,
      "is_lower_bound": false,
      "measured_at": "2026-09-09T13:00:31.206000+00:00",
      "url": null
    },
    "kev": {
      "at": "2026-09-22T19:02:09.978800+00:00",
      "days": 13.251143203703704,
      "is_lower_bound": false,
      "measured_at": "2026-09-09T13:00:31.206000+00:00",
      "precision": "exact",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2026-85102"
    },
    "public_poc": {
      "at": "2026-10-07T07:51:04+00:00",
      "days": 27.78510178240741,
      "is_lower_bound": false,
      "measured_at": "2026-09-09T13:00:31.206000+00:00",
      "url": "https://github.com/aduli198/CVE-2026-85102"
    },
    "trigger_signal": {
      "at": "2026-09-22T00:00:00+00:00",
      "days": 12.457972152777778,
      "is_lower_bound": false,
      "measured_at": "2026-09-09T13:00:31.206000+00:00",
      "url": "https://euvd.enisa.europa.eu/enisa/EUVD-2026-75009"
    }
  }
}