CVE-2025-37729: elastic cloud — Fix

Description

Improper neutralization of special elements used in a template engine in Elastic Cloud Enterprise (ECE) can lead to a malicious actor with Admin access exfiltrating sensitive information and issuing commands via a specially crafted string where Jinjava variables are evaluated.

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CVSS v3.1 Score

9.1

CRITICAL

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

Weakness Type (CWE)

CWE-1336 CWE-1336

Affected Products

Vendor	Product	Versions
elastic	elastic_cloud_enterprise	2.5.0 — 3.8.2
elastic	elastic_cloud_enterprise	4.0.0 — 4.0.2

References

Advisories & Patches

https://discuss.elastic.co/t/elastic-cloud-enterprise-ece-3-8-2-and-4-0-2-security-update-esa-2025-21/382641

Frequently Asked Questions

What is CVE-2025-37729? +

Improper neutralization of special elements used in a template engine in Elastic Cloud Enterprise (ECE) can lead to a malicious actor with Admin access exfiltrating sensitive information and issuing commands via a specially crafted string where Jinjava variables are evaluated. It has a CVSS v3.1 base score of 9.1 (CRITICAL).

How severe is CVE-2025-37729? +

CVE-2025-37729 has a CVSS v3.1 score of 9.1 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2025-37729? +

CVE-2025-37729 affects products from elastic, specifically: elastic_cloud_enterprise. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-37729? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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