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Fencer Vulns
high 7.2

CVE-2023-37477 json

Command injection in firewall ip functionality in 1Panel

published 2023-07-18 3 y ago modified 2026-09-10 1 mo ago also GHSA-p9xf-74xh-mhw5 , GO-2023-1940 , EUVD-2023-2111

cvss
7.2
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
5.8%
EPSS 5.8% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known

Summary

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.

Patch / fix

  • go github.com/1Panel-dev/1Panel 1.4.3
  • fit2cloud 1panel 1.4.3

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

5.85% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/1Panel-dev/1Panel/security/advisories/GHSA-p9xf-74xh-mhw5 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
GitHub 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
go github.com/1Panel-dev/1Panel
<1.4.3
1.4.3

Affected products

  • 1Panel-dev 1Panel
  • fit2cloud 1panel

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.