What is CVE-2024-21658?

CVE-2024-21658 is a medium-severity vulnerability in Discourse Discourse-Calendar, classified under Uncontrolled Resource Consumption. CVSS score: 4.3/10. Published 2024-08-30.

How severe is CVE-2024-21658?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Resource exhaustion in Discourse Discourse-Calendar

CVE-2024-21658

discourse-calendar is a discourse plugin which adds the ability to create a dynamic calendar in the first post of a topic. The limit on region value length is too generous. This allows a malicious actor to cause a Discourse instance to use excessive bandwidth and disk space. This issue has been patched in main the main branch. There are no workarounds for this vulnerability. Please upgrade as soon as possible.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.004 (28.8th percentile) — read the EPSS interpretation.

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.

Affected products

Discourse Discourse-calendar — versions < 66259cd21dc6a1b2139d9833f3f847d8013e6759
Discourse Discourse_calendar

Weakness classification (CWE)

References

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

Frequently asked questions

What is CVE-2024-21658?: CVE-2024-21658 is a medium-severity vulnerability in Discourse Discourse-Calendar, classified under Uncontrolled Resource Consumption. CVSS score: 4.3/10. Published 2024-08-30.
How severe is CVE-2024-21658?: Medium severity. CVSS v3 base score is 4.3 out of 10.