CVSS 3.1 Score 9.8 of 10 (high)


Published Nov 9, 2023
Updated: Nov 17, 2023
CWE ID 287


CVE-2023-4612 is an Improper Authentication vulnerability in Apereo CAS in the jakarta.servlet.http.HttpServletRequest.getRemoteAddr method. It allows for Multi-Factor Authentication bypass. This vulnerability affects CAS versions up to 7.0.0-RC7, and it is unknown if newer versions address the issue. As of the date of publication, there is no patch available, and the vendor does not consider it a vulnerability. The vulnerability has a base severity rating of CRITICAL with a base score of 9.8 out of 10 and poses a high risk to organizations as it can be exploited remotely without requiring any privileges or user interaction. It can result in high impact on integrity and confidentiality, making it crucial for affected organizations to mitigate the risk promptly.


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