CVE-2025-37731mediumCWE-287

CVE-2025-37731: medium-severity vulnerability in Elasticsearch

Elasticsearch Improper Authentication

Published · Updated

Follow this CVE+ Monitor Elasticsearch+ Monitor org.elasticsearch.plugin:x-pack-core

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.8epss 0.2%
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:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Affected products
Elastic · Elasticsearch
Related CVEs — Elasticsearch

In the same product, most dangerous first.

CVE-2021-22145—CVE-2021-22145EPSS 76.2%CVE-2023-31419MEDIUMElasticsearch StackOverflow vulnerabilityEPSS 61.1%CVE-2019-7619—CVE-2019-7619EPSS 2.4%CVE-2019-7611—CVE-2019-7611EPSS 2.1%CVE-2023-31418HIGHElasticsearch uncontrolled resource consumptionEPSS 2.1%CVE-2018-3831—CVE-2018-3831EPSS 2.0%