{
  "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-2016-20028.json"
      }
    ],
    "title": "ZKTeco ZKBioSecurity 3.0 Cross-Site Request Forgery Superadmin",
    "tracking": {
      "current_release_date": "2026-03-27T15:19:26+00:00",
      "generator": {
        "date": "2026-03-27T15:19:26+00:00",
        "engine": {
          "name": "Red Hat SDEngine",
          "version": "4.7.4"
        }
      },
      "id": "CVE-2016-20028",
      "initial_release_date": "2016-08-31T00:00:00+00:00",
      "revision_history": [
        {
          "date": "2016-08-31T00:00:00+00:00",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-03-26T15:14:16.776186+00:00",
          "number": "2",
          "summary": "Current version"
        },
        {
          "date": "2026-03-27T15:19:26+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": {
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  "vulnerabilities": [
    {
      "cve": "CVE-2016-20028",
      "flags": [
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          "product_ids": [
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          ]
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "ZKTeco ZKBioSecurity 3.0 contains a cross-site request forgery vulnerability that allows attackers to perform administrative actions by tricking logged-in users into visiting malicious websites. Attackers can craft HTTP requests that add superadmin accounts without validity checks, enabling unauthorized administrative access when authenticated users visit attacker-controlled pages.",
          "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"
        }
      ],
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        {
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          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2016-20028"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2016-20028",
          "url": "https://www.cve.org/CVERecord?id=CVE-2016-20028"
        }
      ],
      "release_date": "2016-08-31T00:00:00+00:00",
      "title": "ZKTeco ZKBioSecurity 3.0 Cross-Site Request Forgery Superadmin"
    }
  ]
}