Resource exhaustion in Discourse

CVE-2024-38360

Discourse is an open source platform for community discussion. In affected versions by creating replacement words with an almost unlimited number of characters, a moderator can reduce the availability of a Discourse instance. This issue has been addressed in stable version 3.2.3 and in current betas. Users are advised to upgrade. Users unable to upgrade may manually remove the long watched words either via SQL or Rails console.

Vulnerability class: DoS (Denial of Service)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.005 (38.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 38.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2024-38360: held from 0.005 to 0.005.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

  • Discourse — versions tests-passed <= 3.3.0.beta2, stable <= 3.2.2, beta <= 3.3.0.beta2

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2024-38360?
CVE-2024-38360 is a medium-severity vulnerability in Discourse, classified under Uncontrolled Resource Consumption. CVSS score: 4.9/10. Published 2024-07-15.
How severe is CVE-2024-38360?
Medium severity. CVSS v3 base score is 4.9 out of 10.