What’s Vulnerable › Vulnerabilities

CVE-2020-7016

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-07-27 · updated 2026-06-17
• Weakness: CWE-185

Description

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.

Affected products

• Elasticsearch Kibana: before 6.8.11; from 7.0.0 before 7.8.1 — fixed in 6.8.11, 7.8.1
• Oracle Corporation Communications Billing and Revenue Management: 12.0.0.3.0
• Oracle Communications Cloud Native Core Network Function Cloud Native Environment: 1.7.0
• Oracle Corporation PeopleSoft Enterprise PT PeopleTools: 8.58

How to fix

Upgrade to a fixed version: Elasticsearch Kibana 6.8.11, 7.8.1. Check the vendor advisory for mitigations.

References

• https://discuss.elastic.co/t/elastic-stack-6-8-11-and-7-8-1-security-update/242786
• https://www.elastic.co/community/security/
• https://www.oracle.com//security-alerts/cpujul2021.html
• https://discuss.elastic.co/t/elastic-stack-6-8-11-and-7-8-1-security-update/242786
• https://www.elastic.co/community/security/
• https://www.oracle.com//security-alerts/cpujul2021.html

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