CVE-2025-37731 - NVD | ByteOS Network

NVD Vulnerability Details :

CVE-2025-37731

Analyzed

More Info Official Page

Source-security@elastic.co

Published At-15 Dec, 2025 | 11:15

Updated At-18 Dec, 2025 | 01:49

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.

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	3.1	6.8	MEDIUM	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Primary	3.1	7.4	HIGH	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Type: Secondary

Version: 3.1

Base score: 6.8

Base severity: MEDIUM

Vector:

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

Type: Primary

Version: 3.1

Base score: 7.4

Base severity: HIGH

Vector:

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

CPE Matches

Elasticsearch BV

>>elasticsearch>>Versions from 7.0.0(inclusive) to 7.17.29(inclusive)

cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:*

Elasticsearch BV

>>elasticsearch>>Versions from 8.0.0(inclusive) to 8.19.8(exclusive)

cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:*

Elasticsearch BV

>>elasticsearch>>Versions from 9.0.0(inclusive) to 9.1.8(exclusive)

cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:*

Elasticsearch BV

>>elasticsearch>>Versions from 9.2.0(inclusive) to 9.2.2(exclusive)

cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:*

Weaknesses

CWE ID	Type	Source
CWE-287	Secondary	security@elastic.co
NVD-CWE-noinfo	Primary	nvd@nist.gov

CWE ID: CWE-287

Type: Secondary

Source: security@elastic.co

CWE ID: NVD-CWE-noinfo

Type: Primary

Source: nvd@nist.gov

References

Hyperlink	Source	Resource
https://discuss.elastic.co/t/elasticsearch-8-19-8-9-1-8-and-9-2-2-security-update-esa-2025-27/384063	security@elastic.co	Vendor Advisory

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

Source: security@elastic.co

Resource:

Vendor Advisory