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No exploitation reportedFix available

CVE-2020-5240

No exploitation reported by the sources we read.

  • Published2020-03-13
  • Fixed in1.4.1
  • WeaknessCWE-285 · CWE-863

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2020-03-1322:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-5240?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-5240?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV
Labdigital wagtail-2fa
BranchAffectedFixed in
1.4< 1.4.11.4.1

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Labdigital wagtail-2fa to 1.4.1

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • CNACVSS 3.17.6read 2026-10-23
  • NVDCVSS 3.18.5read 2026-10-23
  • NVDCVSS 2.05.5read 2026-10-23
  • CNAweakness (CWE)CWE-285read 2026-10-23
  • NVDweakness (CWE)CWE-863read 2026-10-23
  • FIRST EPSSEPSS score1.0 %2026-10-23
  • OSVaffected packages—

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N
Published
2020-03-13
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2020-5240?

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.

Is CVE-2020-5240 actively exploited?

Active exploitation of CVE-2020-5240 has not been confirmed. Its EPSS score was 1.0% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-5240?

CVE-2020-5240 has a CVSS v3 base score of 8.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N.

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