CVE-2023-38999

Summary

CVE-2023-38999 is a newly disclosed Cross-Site Request Forgery (CSRF) vulnerability that affects OPNsense Community Edition versions prior to 23.7 and Business Edition versions prior to 23.4.2. This issue enables attackers to execute a Denial of Service (DoS) attack by sending a maliciously crafted GET request through the System Halt API (/system/halt). Successful exploitation of this vulnerability can result in disrupting the normal functioning of the OPNsense system, causing significant inconvenience and potential downtime for organizations. It is highly recommended that users upgrade their OPNsense installations to the latest versions as soon as possible to mitigate this threat.

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