CVE-2019-1020017

Name: CVE-2019-1020017
Creator: NVD / NIST
Published: 2019-07-29T13:15:12.263+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.86%

Last modified Jun 17, 2026

CVE-2019-1020017 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Discourse before 2.3.0 and 2.4.x before 2.4.0.beta3 lacks a confirmation screen when logging in via a user-api OTP.. EPSS estimates a 0.86% chance of exploitation in the next 30 days.

Description

Discourse before 2.3.0 and 2.4.x before 2.4.0.beta3 lacks a confirmation screen when logging in via a user-api OTP.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

0.86%

53.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions	Update
Discourse	Discourse	< 2.3.0	—
Discourse	Discourse	2.4.0	Beta1

References

Timeline

Published: Jul 29, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-1020017?

Discourse before 2.3.0 and 2.4.x before 2.4.0.beta3 lacks a confirmation screen when logging in via a user-api OTP.

How severe is CVE-2019-1020017?

CVE-2019-1020017 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.86% probability of exploitation in the next 30 days.

How do I fix CVE-2019-1020017?

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-2019-1020017?

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

Scan your code now

Source: NVD / NIST