CVE-2024-21655

MEDIUM

Discourse < 3.1.4 - Unauthenticated Resource Exhaustion via Client-Editable Fields

Title source: llm
STIX 2.1

Description

Discourse is a platform for community discussion. For fields that are client editable, limits on sizes are not imposed. This allows a malicious actor to cause a Discourse instance to use excessive disk space and also often excessive bandwidth. The issue is patched 3.1.4 and 3.2.0.beta4.

References (1)

Core 1
Core References

Scores

CVSS v3 4.3
EPSS 0.0009
EPSS Percentile 25.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-770 CWE-400
Status published
Products (2)
discourse/discourse 3.2.0 beta1 (3 CPE variants)
discourse/discourse < 3.1.4
Published Jan 12, 2024
Tracked Since Feb 18, 2026