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.

The version of Elasticsearch installed on the remote host is 7.0 prior to 8.19.8, 9.0 prior to 9.1.8, or 9.2.0 prior to 9.2.2. It is, therefore, affected by a vulnerability as referenced in the ESA-2025-27 advisory.

  - Insertion of sensitive information in log file in Elasticsearch can lead to loss of confidentiality under     specific preconditions when auditing requests to the reindex API. (CVE-2025-37731)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - 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. (CVE-2025-37731)

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - 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. (CVE-2025-37731)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Severity
279410	Elasticsearch 7.0.x < 8.19.8 / 9.0.x < 9.1.8 / 9.2.x < 9.2.2 (ESA-2025-27)	Nessus	Misc.	high
436401	SCA: security update for org.elasticsearch:elasticsearch (GHSA-m9gh-789g-q5pv)	Tenable Cloud Security	SCA Checks	high
436401	SCA: security update for org.elasticsearch:elasticsearch (GHSA-m9gh-789g-q5pv)	Tenable Self-Hosted Container Security	SCA Checks	high
278778	Linux Distros Unpatched Vulnerability : CVE-2025-37731	Nessus	Misc.	high

Detections

Analytics

CVE-2025-37731

high

Tenable Plugins

high

high

high

high