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.

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)

EPSS: 0.012 (63.7th percentile) — read the EPSS interpretation.

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.

Affected products

Elastic Kibana — versions 7.10.2

Weakness classification (CWE)

CWE-94 — Code Injection

References

security@elastic.co (Vendor Advisory)
security@elastic.co (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.