High severity · published Nov 22, 2023
CVE-2021-22150
It was discovered that a user with Fleet admin permissions could upload a malicious package
7.2
CVSS
1.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 67% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KI
Kibana · Elastic
7.10.2 before 7.14.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-22150
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-22150
Vendor Advisory
https://discuss.elastic.co/t/elastic-stack-7-14-1-security-update/283077
Vendor Advisory
https://www.elastic.co/community/security
More from Kibana
10.0
CVE-2019-7609
Kibana Arbitrary Code Execution
9.9
CVE-2025-25015
Prototype pollution in Kibana leads to arbitrary code execution via a crafted file upload and specifically crafted HTTP requests
9.8
CVE-2025-25014
A Prototype pollution vulnerability in Kibana leads to arbitrary code execution via crafted HTTP requests to machine learning and reporting endpoints
9.8
CVE-2024-12556
Prototype Pollution in Kibana can lead to code injection via unrestricted file upload combined with path traversal
9.8
CVE-2018-17246
Kibana versions before 6.4.3 and 5.6.13 contain an arbitrary file inclusion flaw in the Console plugin
