Resource exhaustion in Discourse

CVE-2022-46159

Discourse is an open-source discussion platform. In version 2.8.13 and prior on the `stable` branch and version 2.9.0.beta14 and prior on the `beta` and `tests-passed` branches, any authenticated user can create an unlisted topic. These topics, which are not readily available to other users, can take up unnecessary site resources. A patch for this issue is available in the `main` branch of Discourse. There are no known workarounds available.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.007 (49.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.7% 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-2022-46159: held from 0.006 to 0.007.

EPSS over last 30 days · oldest: 0.006 · newest: 0.007 · change: +0.001

Affected products

  • Discourse — versions <= 2.8.13, 2.9.0, >= 2.9.0.beta0, <= 2.9.0.beta14

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-46159?
CVE-2022-46159 is a medium-severity vulnerability in Discourse, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 4.3/10. Published 2022-12-02.
How severe is CVE-2022-46159?
Medium severity. CVSS v3 base score is 4.3 out of 10.