CVE-2023-37477

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.

• CWE-78
• CWE-78

• 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

Published

Jul 18, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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