Vulnerability-Lookup

GHSA-M9GH-789G-Q5PV

Vulnerability from github – Published: 2025-12-15 12:30 – Updated: 2025-12-16 15:52

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.

Severity ?

6.8 (Medium)


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

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JSON

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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"
}

CVE-2025-37731 (GCVE-0-2025-37731)

Vulnerability from cvelistv5 – Published: 2025-12-15 10:42 – Updated: 2025-12-16 04:56

Title

Elasticsearch Improper Authentication

Summary

Severity ?

6.8 (Medium)


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

CWE

CWE-287 - Improper Authentication

Assigner

elastic

References

URL

Tags

https://discuss.elastic.co/t/elasticsearch-8-19-8…

Impacted products

	Vendor	Product	Version
	Elastic	Elasticsearch	Affected: 7.0.0 , ≤ 7.17.29 (semver) Affected: 8.0.0 , ≤ 8.19.7 (semver) Affected: 9.0.0 , ≤ 9.1.7 (semver) Affected: 9.2.0 , ≤ 9.2.1 (semver)

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-37731",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-12-15T00:00:00+00:00",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-12-16T04:56:02.265Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Elasticsearch",
          "vendor": "Elastic",
          "versions": [
            {
              "lessThanOrEqual": "7.17.29",
              "status": "affected",
              "version": "7.0.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "8.19.7",
              "status": "affected",
              "version": "8.0.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "9.1.7",
              "status": "affected",
              "version": "9.0.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "9.2.1",
              "status": "affected",
              "version": "9.2.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eImproper 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.\u003c/p\u003e"
            }
          ],
          "value": "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."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-115",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-115 Authentication Bypass"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-287",
              "description": "CWE-287 Improper Authentication",
              "lang": "en",
              "type": "CWE"
            }
          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-15T10:42:21.840Z",
        "orgId": "271b6943-45a9-4f3a-ab4e-976f3fa05b5a",
        "shortName": "elastic"
      },
      "references": [
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          "url": "https://discuss.elastic.co/t/elasticsearch-8-19-8-9-1-8-and-9-2-2-security-update-esa-2025-27/384063"
        }
      ],
      "source": {
        "discovery": "Elastic"
      },
      "title": "Elasticsearch Improper Authentication",
      "x_generator": {
        "engine": "Elastic CVE Publisher 0.0.1"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "271b6943-45a9-4f3a-ab4e-976f3fa05b5a",
    "assignerShortName": "elastic",
    "cveId": "CVE-2025-37731",
    "datePublished": "2025-12-15T10:42:21.840Z",
    "dateReserved": "2025-04-16T03:24:04.511Z",
    "dateUpdated": "2025-12-16T04:56:02.265Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-M9GH-789G-Q5PV

CVE-2025-37731 (GCVE-0-2025-37731)

Tags

Sightings

Nomenclature