CVE-2023-37477
An OS command injection vulnerability exists in 1Panel firewall functionality.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (5.85%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 5.85% probability · 93th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-78
- Affected
- fit2cloud/1panel
- Source
- security-advisories@github.com
EPSS 5.8% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/1Panel-dev/1Panel/commit/e17b80cff4975ee343568ff526b62319f499005dPatch
- https://github.com/1Panel-dev/1Panel/security/advisories/GHSA-p9xf-74xh-mhw5Exploit, Vendor Advisory
- https://github.com/1Panel-dev/1Panel/commit/e17b80cff4975ee343568ff526b62319f499005dPatch
- https://github.com/1Panel-dev/1Panel/security/advisories/GHSA-p9xf-74xh-mhw5Exploit, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.