Resource exhaustion in Discourse
CVE-2022-41921
Discourse is an open-source discussion platform. Prior to version 2.9.0.beta13, users can post chat messages of an unlimited length, which can cause a denial of service for other users when posting huge amounts of text. Users should upgrade to version 2.9.0.beta13, where a limit has been introduced. No known workarounds are available.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.005 (43.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 43.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
- Discourse — versions < 2.9.0.beta13, 2.9.0
Weakness classification (CWE)
References
- github.com/discourse/discourse/security/advisories/GHSA-mfh7-6cv6-qccc (Third Party Advisory)
- github.com/discourse/discourse/commit/3de765c89524a526ce611e11468d758a471a933f (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-41921?
- CVE-2022-41921 is a low-severity vulnerability in Discourse, classified under Improper Input Validation. CVSS score: 3.5/10. Published 2022-11-28.
- How severe is CVE-2022-41921?
- Low severity. CVSS v3 base score is 3.5 out of 10.