{
  "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-2016-20033.json"
      }
    ],
    "title": "Wowza Streaming Engine 4.5.0 Local Privilege Escalation via nssm_x64.exe",
    "tracking": {
      "current_release_date": "2026-03-27T15:19:28+00:00",
      "generator": {
        "date": "2026-03-27T15:19:28+00:00",
        "engine": {
          "name": "Red Hat SDEngine",
          "version": "4.7.4"
        }
      },
      "id": "CVE-2016-20033",
      "initial_release_date": "2016-07-20T00:00:00+00:00",
      "revision_history": [
        {
          "date": "2016-07-20T00:00:00+00:00",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-03-26T15:05:28.118206+00:00",
          "number": "2",
          "summary": "Current version"
        },
        {
          "date": "2026-03-27T15:19:28+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-2016-20033",
      "flags": [
        {
          "label": "component_not_present",
          "product_ids": [
            "red_hat_products"
          ]
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Wowza Streaming Engine 4.5.0 contains a local privilege escalation vulnerability that allows authenticated users to escalate privileges by replacing executable files due to improper file permissions granting full access to the Everyone group. Attackers can replace the nssm_x64.exe binary in the manager and engine service directories with malicious executables to execute code with LocalSystem privileges when services restart.",
          "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-2016-20033"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2016-20033",
          "url": "https://www.cve.org/CVERecord?id=CVE-2016-20033"
        }
      ],
      "release_date": "2016-07-20T00:00:00+00:00",
      "title": "Wowza Streaming Engine 4.5.0 Local Privilege Escalation via nssm_x64.exe"
    }
  ]
}