Search/CVE-2025-37731
● CVE — Medium

CVE-2025-37731

VendorelasticProductelasticsearchDiscoveredDec 15, 2025UpdatedOct 7, 2026

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.

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CVSS v3.1
6.8 MEDIUM
EPSS
0.19%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Sep 11, 2026
● 0.00pp
0.19% → 0.19% over 2 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityHIGH
Privileges RequiredLOW
User InteractionNONE
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityNONE
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Connections
2 relationships
Timeline
disclosure → media coverage
Dec 15, 2025
Disclosure — published as a CVE record. · last revised by NVD Oct 7, 2026