---
id: CVE-2021-31879
title: >-
  GNU Wget through 1.21.1 does not omit the Authorization header upon a redirect
  to a different origin, a related issue to CVE-2018-1000007.
summary: >-
  GNU Wget through 1.21.1 does not omit the Authorization header upon a redirect
  to a different origin, a related issue to CVE-2018-1000007.
severity: medium
cvss: 6.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'
cwe:
  - CWE-601
vendor: gnu
product: wget
affected:
  - wget <= 1.21.1
  - brocade_fabric_operating_system_firmware
  - cloud_backup
  - ontap_select_deploy_administration_utility
  - a250_firmware
  - 500f_firmware
published: '2021-04-29'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T21:17:35.390'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2021-31879'
references:
  - url: 'https://mail.gnu.org/archive/html/bug-wget/2021-02/msg00002.html'
    label: cve@mitre.org
  - url: 'https://security.netapp.com/advisory/ntap-20210618-0002/'
    label: cve@mitre.org
  - url: 'https://mail.gnu.org/archive/html/bug-wget/2021-02/msg00002.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://security.netapp.com/advisory/ntap-20210618-0002/'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
  - cve.org
epss: 0.01104
epssPercentile: 0.65586
ingestedAt: '2026-10-08T22:11:53.732Z'
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-08T20:56:16.925183Z'
---

## Overview

GNU Wget through 1.21.1 does not omit the Authorization header upon a redirect to a different origin, a related issue to CVE-2018-1000007.

## Affected

- `wget <= 1.21.1`
- `brocade_fabric_operating_system_firmware`
- `cloud_backup`
- `ontap_select_deploy_administration_utility`
- `a250_firmware`
- `500f_firmware`

## Remediation

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