CVE-2024-43789

Name: CVE-2024-43789
Creator: NVD / NIST
Published: 2024-10-07T21:15:16.71+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.44%

Last modified Jun 17, 2026

CVE-2024-43789 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Discourse is an open source platform for community discussion. A user can create a post with many replies, and then attempt to fetch them all at once. EPSS estimates a 0.44% chance of exploitation in the next 30 days.

Description

Discourse is an open source platform for community discussion. A user can create a post with many replies, and then attempt to fetch them all at once. This can potentially reduce the availability of a Discourse instance. This problem has been patched in the latest version of Discourse. All users area are advised to upgrade. There are no known workarounds for this vulnerability.

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

0.44%

35.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-400

Affected Software

Vendor	Product	Versions
Discourse	Discourse	< 3.3.1
Discourse	Discourse	<= 3.4.0

References

https://github.com/discourse/discourse/security/advisories/GHSA-62cq-cpmc-hvqqThird Party Advisory

Timeline

Published: Oct 7, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-43789?

How severe is CVE-2024-43789?

CVE-2024-43789 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.44% probability of exploitation in the next 30 days.

How do I fix CVE-2024-43789?

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-2024-43789?

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

Scan your code now

Source: NVD / NIST