BaseFortify

Publication date: 2025-11-25

Last updated on: 2025-12-15

Assigner: Fluid Attacks

Description

A vulnerability in OpenSearch allows attackers to cause Denial of Service (DoS) by submitting complex query_string inputs. This issue affects all OpenSearch versions between 3.0.0 and < 3.3.0 and OpenSearch < 2.19.4.

CVSS Scores

EPSS Scores

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Meta Information

Published

2025-11-25

Last Modified

2025-12-15

Generated

2026-07-06

AI Q&A

2025-11-25

EPSS Evaluated

2026-07-05

NVD

CVE-2025-9624

Affected Vendors & Products

Vendor	Product	Version / Range
amazon	opensearch	to 3.3.0 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-674	The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack.

Attack-Flow Graph

Executive Summary

This vulnerability in OpenSearch allows attackers to cause a Denial of Service (DoS) by submitting complex query_string inputs that the system cannot handle properly, leading to service disruption.

Impact Analysis

The vulnerability can impact you by causing Denial of Service (DoS) on OpenSearch systems running versions below 3.2.0, potentially making the service unavailable or unresponsive due to resource exhaustion from complex queries.

Mitigation Strategies

Upgrade all OpenSearch installations to version 3.2.0 or later, as all versions below 3.2.0 are affected by this vulnerability.

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