CVE-2023-31418 HIGH

CVE-2023-31418: Elasticsearch uncontrolled resource consumption

Vendor Elastic
Product Elasticsearch
Weakness CWE-400
Published October 26, 2023
Last update February 13, 2025

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

An issue has been identified with how Elasticsearch handled incoming requests on the HTTP layer. An unauthenticated user could force an Elasticsearch node to exit with an OutOfMemory error by sending a moderate number of malformed HTTP requests. The issue was identified by Elastic Engineering and we have no indication that the issue is known or that it is being exploited in the wild.

Key dates

02Disclosure timeline

October 26, 2023 CVE published
February 13, 2025 Record updated