---
id: CVE-2020-5240
aliases:
  - GHSA-9gjv-6qq6-v7qm
  - PYSEC-2020-219
title: 2FA bypass through deleting devices in wagtail-2fa
summary: 2FA bypass through deleting devices in wagtail-2fa
severity: high
cvss: 7.6
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:H/A:N'
vendor: wagtail-2fa
product: wagtail-2fa
ecosystem: pip
affected:
  - wagtail-2fa < 1.4.1
patched:
  - wagtail-2fa 1.4.1
published: '2020-03-13'
updated: '2026-09-10'
sourceUpdated: '2026-09-10T03:48:29.719471847Z'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-9gjv-6qq6-v7qm'
references:
  - url: >-
      https://github.com/labd/wagtail-2fa/security/advisories/GHSA-9gjv-6qq6-v7qm
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2020-5240'
  - url: >-
      https://github.com/labd/wagtail-2fa/commit/ac23550d33b7436e90e3beea904647907eba5b74
  - url: 'https://github.com/labd/wagtail-2fa'
  - url: >-
      https://github.com/pypa/advisory-database/tree/main/vulns/wagtail-2fa/PYSEC-2020-219.yaml
tags:
  - osv
  - pip
epss: 0.00999
epssPercentile: 0.61161
ingestedAt: '2026-09-12T03:13:01.683Z'
---

## Overview

### Impact
Any user with access to the CMS can view and delete other users&#39; 2FA devices by going to the correct path. The user does not require special permissions in order to do so. By deleting the other user&#39;s device they can disable the target user&#39;s 2FA devices and potentially compromise the account if they figure out their password.

### Patches
The problem has been patched in version 1.4.1.

### Workarounds
There is no workaround for this issue.

### For more information
If you have any questions or comments about this advisory:
* Open an issue in [github.com/labd/wagtail-2fa](https://github.com/labd/wagtail-2fa)
* Email us at [security@labdigital.nl](mailto:security@labdigital.nl)

## Affected packages

- `wagtail-2fa < 1.4.1`

## Remediation

Upgrade to a patched release:

- `wagtail-2fa 1.4.1`