Kibana versions before 6.8.11 and 7.8.1 contain a denial of service (DoS) flaw in Timelion. An attacker can construct a URL that when viewed by a Kibana user can lead to the Kibana process consuming large amounts of CPU and becoming unresponsive.
Exploitability
AV:NAC:HPR:LUI:RScope
S:UImpact
C:NI:NA:H4.8/CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:HOther