When logging warnings regarding deprecated settings, Logstash before 5.6.6 and 6.x before 6.1.2 could inadvertently log sensitive information.
https://discuss.elastic.co/t/elastic-stack-6-1-2-and-5-6-6-security-update/115763
Source: Mitre, NVD
Published: 2018-03-30
Updated: 2019-10-09
Base Score: 4
Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:N/A:N
Severity: Medium
Base Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N