What is CVE-2023-28440?

CVE-2023-28440 is a low-severity vulnerability in Discourse, classified under Uncontrolled Resource Consumption. CVSS score: 2.7/10. Published 2023-04-18.

How severe is CVE-2023-28440?

Low severity. CVSS v3 base score is 2.7 out of 10.

Resource exhaustion in Discourse

CVE-2023-28440

Discourse is an open source platform for community discussion. In affected versions a maliciously crafted request from a Discourse administrator can lead to a long-running request and eventual timeout. This has the greatest potential impact in shared hosting environments where admins are untrusted. This issue has been addressed in versions 3.0.3 and 3.1.0.beta4. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.007 (49.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L.

Affected products

Discourse — versions 2.4.0, 3.1.0, beta: <= 3.1.0.beta3

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2023-28440?: CVE-2023-28440 is a low-severity vulnerability in Discourse, classified under Uncontrolled Resource Consumption. CVSS score: 2.7/10. Published 2023-04-18.
How severe is CVE-2023-28440?: Low severity. CVSS v3 base score is 2.7 out of 10.