---
id: CVE-2016-20087
title: >-
  Fortitude HTTP 1.0.4.0 contains an unquoted service path vulnerability that
  allows local users to execute arbitrary code with elevated privileges by
  exploiting the service binary path
summary: >-
  Fortitude HTTP 1.0.4.0 contains an unquoted service path vulnerability that
  allows local users to execute arbitrary code with elevated privileges by
  exploiting the service binary path. Attackers can insert malicious executables
  in the sy…
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-428
published: '2026-06-19'
updated: '2026-09-29'
sourceUpdated: '2026-09-29T09:10:00.157'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2016-20087'
references:
  - url: 'http://www.networkdls.com/'
    label: disclosure@vulncheck.com
  - url: 'http://www.networkdls.com/Software/View/Fortitude_HTTP'
    label: disclosure@vulncheck.com
  - url: 'https://www.exploit-db.com/exploits/40461'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/fortitude-http-unquoted-service-path-elevation-of-privilege
    label: disclosure@vulncheck.com
tags:
  - nvd
epss: 0.00175
epssPercentile: 0.06287
ingestedAt: '2026-09-29T09:30:49.071Z'
---

## Overview

Fortitude HTTP 1.0.4.0 contains an unquoted service path vulnerability that allows local users to execute arbitrary code with elevated privileges by exploiting the service binary path. Attackers can insert malicious executables in the system root path that execute with SYSTEM privileges during service startup or system reboot.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.