CVE-2023-37477

moderate-risk
Published 2023-07-18

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.

Do I need to act?

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0.64% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.2/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

33
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 2/34 · Minimal
Exposure 5/34 · Minimal