CVE-2025-37731
Elasticsearch Improper Authentication
CVSS Score
6.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-287 |
| Vendor | elastic |
| Product | elasticsearch |
| Ecosystems | |
| Industries | Technology |
| Published | Dec 15, 2025 |
| Last Updated | Feb 26, 2026 |
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CVSS v3 Breakdown
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 Versions
Elastic / Elasticsearch
7.0.0 ≤ 7.17.29 8.0.0 ≤ 8.19.7 9.0.0 ≤ 9.1.7 9.2.0 ≤ 9.2.1