1Panel command injection vulnerability in Firewall ip functionality (CVE-2023-37477) | HOL Guard CVE

High · CVSS 8.8CVE-2023-37477GHSA-P9XF-74XH-MHW5

1Panel command injection vulnerability in Firewall ip functionality

Answer in brief

CVE-2023-37477 records a High severity (CVSS 8.8) vulnerability in 1Panel command injection vulnerability in Firewall ip functionality. The current sources do not mark it as known exploited. The current feed maps github.com/1Panel-dev/1Panel (go). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jul 18, 2023Updated Sep 10, 2026Source checked Sep 10, 2026First seen by HOL Sep 10, 2026Material review Sep 10, 2026

Upstream Advisory

Key facts

Risk: High · CVSS 8.8
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Available

Why this deserves its current priority

CVSS is 8.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps github.com/1Panel-dev/1Panel (go). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
github.com/1Panel-dev/1Panelgo	>=0 <1.4.3	1.4.3

Recommended response

Check inventory. Check lockfiles and deployed manifests for github.com/1Panel-dev/1Panel.
Review the reported fix. Update github.com/1Panel-dev/1Panel to 1.4.3 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Jul 18, 2023
Evidence: source:osv:source_dates:source-dates:record
Source modified
Sep 10, 2026
Evidence: source:osv:source_dates:source-dates:record
First seen by HOL
Sep 10, 2026

Sources and claim methodology

Upstream source description

### Summary 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. ### Details 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. ### PoC the payload `; sleep 3 #` will lead server response in 3 seconds ![image](https://user-images.githubusercontent.com/4935500/252299676-bc4a8b92-e475-40ee-a92a-fec9fad7a6c3.png) the payload `; sleep 6 #` will lead server response in 6 seconds ![image](https://user-images.githubusercontent.com/4935500/252299871-766cc411-69e5-4c6c-b4ff-7774fa974ea0.png) ### Impact An attacker can execute arbitrary code on the target system, which can lead to a complete compromise of the system. ### Patches The vulnerability has been fixed in v1.4.3. ### Workarounds It is recommended to upgrade the version to v1.4.3. ### References If you have any questions or comments about this advisory: Open an issue in https://github.com/1Panel-dev/1Panel Email us at [email protected]

Quoted source text, attributed separately from HOL analysis.