CVSS 3.1 Score 7.5 of 10 (high)


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


CVE-2023-38320 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 User-Agent header. This vulnerability can lead to a Denial-of-Service condition, causing OpenNDS to crash. The risk score for this vulnerability is 25, with a base severity of HIGH and a base score of 7.5 according to NVD. There are no privileges required and no user interaction needed to exploit this vulnerability, which has a low attack complexity but high availability impact. It does not have any integrity or confidentiality impact.


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