CVE-2020-5240

Name: CVE-2020-5240
Creator: NVD / NIST
Published: 2020-03-13T22:15:11.217+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.5/10EPSS 0.80%

Last modified Jun 17, 2026

CVE-2020-5240 is a high-severity vulnerability rated 8.5/10 on the CVSS scale. In wagtail-2fa before 1.4.1, any user with access to the CMS can view and delete other users 2FA devices by going to the correct path. The user does not require special permissions in order to do so. EPSS estimates a 0.80% chance of exploitation in the next 30 days.

Description

In wagtail-2fa before 1.4.1, any user with access to the CMS can view and delete other users 2FA devices by going to the correct path. The user does not require special permissions in order to do so. By deleting the other users device they can disable the target users 2FA devices and potentially compromise the account if they figure out their password. The problem has been patched in version 1.4.1.

Metrics

CVSS 3.1

8.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N

EPSS Probability

0.80%

52.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Labdigital	Wagtail-2fa	< 1.4.1

References

https://github.com/labd/wagtail-2fa/commit/ac23550d33b7436e90e3beea904647907eba5b74Patch, Third Party Advisory
https://github.com/labd/wagtail-2fa/security/advisories/GHSA-9gjv-6qq6-v7qmThird Party Advisory
https://github.com/labd/wagtail-2fa/commit/ac23550d33b7436e90e3beea904647907eba5b74Patch, Third Party Advisory
https://github.com/labd/wagtail-2fa/security/advisories/GHSA-9gjv-6qq6-v7qmThird Party Advisory

Timeline

Published: Mar 13, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-5240?

How severe is CVE-2020-5240?

CVE-2020-5240 has a CVSS score of 8.5/10 (HIGH severity). The EPSS model estimates a 0.80% probability of exploitation in the next 30 days.

How do I fix CVE-2020-5240?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-5240?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST