Resource exhaustion in Elastic Kibana
CVE-2020-7016
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.011 (63.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Elastic Kibana — versions before 6.8.11 and 7.8.1
- Elasticsearch Kibana
- Oracle Communications Billing And Revenue Management — versions 12.0.0.3.0
- Oracle Communications Cloud Native Core Network Function Environment — versions 1.7.0
- Oracle Peoplesoft Enterprise Peopletools — versions 8.58
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.elastic.co/community/security/ (Vendor Advisory)
- discuss.elastic.co/t/elastic-stack-6-8-11-and-7-8-1-security-update/242786 (Release Notes, Vendor Advisory)
- www.oracle.com//security-alerts/cpujul2021.html (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-7016?
- CVE-2020-7016 is a medium-severity vulnerability in Elastic Kibana, classified under Incorrect Regular Expression. CVSS score: 4.8/10. Published 2020-07-27.
- How severe is CVE-2020-7016?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2020-7016 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.