{
  "document": {
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright © Red Hat, Inc. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://access.redhat.com/security/team/contact/",
      "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.",
      "name": "Red Hat Product Security",
      "namespace": "https://www.redhat.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-20027.json"
      }
    ],
    "title": "ZKTeco ZKBioSecurity 3.0 Multiple Reflected XSS Vulnerabilities",
    "tracking": {
      "current_release_date": "2026-03-27T15:19:31+00:00",
      "generator": {
        "date": "2026-03-27T15:19:31+00:00",
        "engine": {
          "name": "Red Hat SDEngine",
          "version": "4.7.4"
        }
      },
      "id": "CVE-2016-20027",
      "initial_release_date": "2016-08-30T00:00:00+00:00",
      "revision_history": [
        {
          "date": "2016-08-30T00:00:00+00:00",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-03-26T15:14:16.231299+00:00",
          "number": "2",
          "summary": "Current version"
        },
        {
          "date": "2026-03-27T15:19:31+00:00",
          "number": "3",
          "summary": "Last generated version"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
  "product_tree": {
    "branches": [
      {
        "category": "vendor",
        "name": "Red Hat",
        "product": {
          "name": "All currently supported Red Hat products",
          "product_id": "red_hat_products",
          "product_identification_helper": {
            "cpe": "cpe:/a:redhat"
          }
        }
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2016-20027",
      "flags": [
        {
          "label": "component_not_present",
          "product_ids": [
            "red_hat_products"
          ]
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "ZKTeco ZKBioSecurity 3.0 contains multiple reflected cross-site scripting vulnerabilities that allow attackers to execute arbitrary HTML and script code by injecting malicious payloads through unsanitized parameters in multiple scripts. Attackers can craft malicious URLs with XSS payloads in vulnerable parameters to execute scripts in a user's browser session within the context of the affected application.",
          "title": "Vulnerability description"
        },
        {
          "category": "other",
          "text": "Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references.",
          "title": "Statement"
        }
      ],
      "product_status": {
        "known_not_affected": [
          "red_hat_products"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2016-20027"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2016-20027",
          "url": "https://www.cve.org/CVERecord?id=CVE-2016-20027"
        }
      ],
      "release_date": "2016-08-30T00:00:00+00:00",
      "title": "ZKTeco ZKBioSecurity 3.0 Multiple Reflected XSS Vulnerabilities"
    }
  ]
}