CVE-2025-37731
Elasticsearch Improper Authentication
6.8
MEDIUM
CVSS 3.1
EPSS 0.16%
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.
How to fix CVE-2025-37731
To remediate CVE-2025-37731, upgrade the affected package to a fixed version below.
- —upgrade to 8.19.8 or later
- —upgrade to 8.19.8 or later
Is CVE-2025-37731 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 8.19.8, >= 9.0.0, < 9.1.8, >= 9.2.0, < 9.2.2
- >= 7.0.0-alpha1, < 8.19.8
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.8 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N |