MEDIUM · 6.8

CVE-2025-37731

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 sign...

Vulnerability 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.

CVSS Score

6.8

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
ElasticElasticsearch>= 7.0.0, <= 7.17.29

Related Weaknesses (CWE)

References

FAQ

What is CVE-2025-37731?

CVE-2025-37731 is a vulnerability with a CVSS score of 6.8 (MEDIUM). 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 sign...

How severe is CVE-2025-37731?

CVE-2025-37731 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-37731?

Check the references section above for vendor advisories and patch information. Affected products include: Elastic Elasticsearch.