Elasticsearch Improper Authentication_CVE-2025-37731

6.8 / 10

MEDIUM

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

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.

Basic Information

ID CVE-2025-37731

Source elastic

Published Dec 15, 2025 at 10:42

Affected Product

Vendor Elastic

Product Elasticsearch

Version 7.0.0

Affected Versions Elastic Elasticsearch 7.0.0
Elastic Elasticsearch 8.0.0
Elastic Elasticsearch 9.0.0
Elastic Elasticsearch 9.2.0

CWE Classification

CWE-287

References

discuss.elastic.co /t/elasticsearch-8-19-8-9-1-8-and-9-2-2-security-update-esa-2025-27/384063

{
    "lastseen": "",
    "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.",
    "published": "2025-12-15T10:42:21.840Z",
    "modified": "2025-12-15T10:42:21.840Z",
    "type": "cve",
    "title": "Elasticsearch Improper Authentication",
    "source": "elastic",
    "references": "https://discuss.elastic.co/t/elasticsearch-8-19-8-9-1-8-and-9-2-2-security-update-esa-2025-27/384063",
    "id": "CVE-2025-37731",
    "bulletinFamily": "",
    "cwe": [
        "CWE-287"
    ],
    "cvelist": null,
    "sourceData": "Elastic Elasticsearch 7.0.0\nElastic Elasticsearch 8.0.0\nElastic Elasticsearch 9.0.0\nElastic Elasticsearch 9.2.0",
    "sourceHref": "",
    "cvss": {
        "score": 6.8,
        "severity": "MEDIUM",
        "vector": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Elasticsearch",
    "version": "7.0.0",
    "vendor": "Elastic",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}