CVE-2015-5377
** DISPUTED ** 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.
Date published : 2018-03-06
http://www.securityfocus.com/bid/75938
https://discuss.elastic.co/t/elasticsearch-remote-code-execution-cve-2015-5377/25736