RCE in Elastic Kibana
CVE-2021-22150
It was discovered that a user with Fleet admin permissions could upload a malicious package. Due to using an older version of the js-yaml library, this package would be loaded in an insecure manner, allowing an attacker to execute commands on the Kibana server.
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.012 (65.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 65.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Elastic Kibana — versions 7.10.2
Weakness classification (CWE)
References
- discuss.elastic.co/t/elastic-stack-7-14-1-security-update/283077 (Vendor Advisory)
- www.elastic.co/community/security (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-22150?
- CVE-2021-22150 is a medium-severity vulnerability in Elastic Kibana, classified under Code Injection. CVSS score: 6.6/10. Published 2023-11-22.
- How severe is CVE-2021-22150?
- Medium severity. CVSS v3 base score is 6.6 out of 10.