CVSS 3.1 Score 7.5 of 10 (high)


Published Nov 17, 2023
Updated: Nov 23, 2023
CWE ID 476


CVE-2023-38313 is a vulnerability discovered in OpenNDS Captive Portal before version 10.1.2. It is a NULL pointer dereference issue that can be triggered by a crafted GET HTTP request with a missing client redirect query string parameter. This vulnerability can cause a Denial-of-Service condition, crashing the OpenNDS system. The issue occurs during client authentication and can only be triggered when the BinAuth option is set. The vulnerability has a base severity score of 7.5 out of 10, indicating a high risk to organizations. To remediate this vulnerability, users should update to the latest version of OpenNDS Captive Portal that includes the necessary patches and fixes for this issue.

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