What is CVE-2023-40588?

CVE-2023-40588 is a medium-severity vulnerability in Discourse, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2023-09-15.

How severe is CVE-2023-40588?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Resource exhaustion in Discourse

CVE-2023-40588

Discourse is an open-source discussion platform. Prior to version 3.1.1 of the `stable` branch and version 3.2.0.beta1 of the `beta` and `tests-passed` branches, a malicious user could add a 2FA or security key with a carefully crafted name to their account and cause a denial of service for other users. The issue is patched in version 3.1.1 of the `stable` branch and version 3.2.0.beta1 of the `beta` and `tests-passed` branches. There are no known workarounds.

EPSS: 0.005 (40.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Discourse — versions 2.4.0, 3.1.0, tests-passed < 3.2.0.beta1

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

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

Frequently asked questions

What is CVE-2023-40588?: CVE-2023-40588 is a medium-severity vulnerability in Discourse, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2023-09-15.
How severe is CVE-2023-40588?: Medium severity. CVSS v3 base score is 6.5 out of 10.