---
id: CVE-2021-45421
title: >-
  Emerson Dixell XWEB-500 products are affected by information disclosure via
  directory listing
summary: >-
  Emerson Dixell XWEB-500 products are affected by information disclosure via
  directory listing. A potential attacker can use this misconfiguration to
  access all the files in the remote directories. Note: the product has not been
  supported…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'
cwe:
  - CWE-200
vendor: emerson
product: dixell_xweb-500_firmware
affected:
  - dixell_xweb-500_firmware
published: '2022-02-14'
updated: '2026-07-05'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2021-45421'
references:
  - url: 'https://www.swascan.com/emerson'
    label: cve@mitre.org
  - url: 'http://dixell.com'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://emerson.com'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://www.swascan.com/emerson'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.01275
epssPercentile: 0.68683
ingestedAt: '2026-07-06T02:09:23.210Z'
---

## Overview

Emerson Dixell XWEB-500 products are affected by information disclosure via directory listing. A potential attacker can use this misconfiguration to access all the files in the remote directories. Note: the product has not been supported since 2018 and should be removed or replaced.

## Affected

- `dixell_xweb-500_firmware`

## Remediation

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