Auth bypass in Discourse

CVE-2024-45051

Discourse is an open source platform for community discussion. A maliciously crafted email address could allow an attacker to bypass domain-based restrictions and gain access to private sites, categories and/or groups. This issue has been patched in the latest stable, beta and tests-passed version of Discourse. All users area are advised to upgrade. There are no known workarounds for this vulnerability.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (28.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.7% 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-2024-45051: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

  • Discourse — versions stable: < 3.3.2, beta: < 3.4.0.beta2, 3.4.0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2024-45051?
CVE-2024-45051 is a high-severity vulnerability in Discourse, classified under Improper Authentication. CVSS score: 8.2/10. Published 2024-10-07.
How severe is CVE-2024-45051?
High severity. CVSS v3 base score is 8.2 out of 10.