CVE-2015-5377: Elastic Elasticsearch

Critical severity, CVSS 9.8. EPSS: 14.3% chance of exploitation in the next 30 days.

Elasticsearch before 1.6.1 allows remote attackers to execute arbitrary code via unspecified vectors involving the transport protocol. NOTE: ZDI appears to claim that CVE-2015-3253 and CVE-2015-5377 are the same vulnerability

Affected products

• Elastic Elasticsearch: before 1.6.1 (fixed in 1.6.1)

Published 2018-03-06. Last modified 2026-06-17.