ghsa-m9gh-789g-q5pv
Vulnerability from github
Published
2025-12-15 12:30
Modified
2025-12-16 15:52
Severity ?
6.8 (Medium) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Summary
Elasticsearch PKI Realm Authentication Bypass Vulnerability Allows User Impersonation Through Crafted Client Certificates
Details

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.

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.elasticsearch:elasticsearch"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7.0.0-alpha1"
            },
            {
              "fixed": "8.19.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.elasticsearch:elasticsearch"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "9.0.0-beta1"
            },
            {
              "fixed": "9.1.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.elasticsearch:elasticsearch"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "9.2.0"
            },
            {
              "fixed": "9.2.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-37731"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-287",
      "CWE-295"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-12-16T15:52:23Z",
    "nvd_published_at": "2025-12-15T11:15:39Z",
    "severity": "MODERATE"
  },
  "details": "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.",
  "id": "GHSA-m9gh-789g-q5pv",
  "modified": "2025-12-16T15:52:24Z",
  "published": "2025-12-15T12:30:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-37731"
    },
    {
      "type": "WEB",
      "url": "https://github.com/elastic/elasticsearch/commit/cd97b8566bf56e628070021300784cb9cee0286f"
    },
    {
      "type": "WEB",
      "url": "https://github.com/elastic/elasticsearch/commit/d8a408da79f214395845d99d241e832077045983"
    },
    {
      "type": "WEB",
      "url": "https://github.com/elastic/elasticsearch/commit/e519fe4c51a3c887675eb7daea2f914738847f23"
    },
    {
      "type": "WEB",
      "url": "https://discuss.elastic.co/t/elasticsearch-8-19-8-9-1-8-and-9-2-2-security-update-esa-2025-27/384063"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/elastic/elasticsearch"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Elasticsearch PKI Realm Authentication Bypass Vulnerability Allows User Impersonation Through Crafted Client Certificates"
}


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