Improper Authentication in Elasticsearch PKI realm can lead to user impersonation via specially crafted client certificates. A malicious actor would need to have such a crafted client certificate signed by a legitimate, trusted Certificate Authority.
Advisories

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Mon, 15 Dec 2025 14:15:00 +0000

Type Values Removed Values Added
First Time appeared Elastic
Elastic elasticsearch
Vendors & Products Elastic
Elastic elasticsearch
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 15 Dec 2025 11:00:00 +0000

Type Values Removed Values Added
Description Improper Authentication in Elasticsearch PKI realm can lead to user impersonation via specially crafted client certificates. A malicious actor would need to have such a crafted client certificate signed by a legitimate, trusted Certificate Authority.
Title Elasticsearch Improper Authentication
Weaknesses CWE-287
References
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: elastic

Published:

Updated: 2025-12-16T04:56:02.265Z

Reserved: 2025-04-16T03:24:04.511Z

Link: CVE-2025-37731

cve-icon Vulnrichment

Updated: 2025-12-15T13:12:22.535Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-12-15T11:15:39.707

Modified: 2025-12-15T18:22:13.783

Link: CVE-2025-37731

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-12-15T14:05:33Z

Weaknesses