CVSS 3.1 Score 8.1 of 10 (high)


Published Oct 26, 2023
Updated: Feb 22, 2024


CVE-2023-45868 is a high-impact vulnerability found in the Learning Module of ILIAS 7.25 (2023-09-12 release). It allows an attacker with basic user privileges to conduct a Directory Traversal attack on confidentiality and availability. By exploiting this vulnerability, the attacker can use the PHP function rename() to move specified directories, normally located outside the documentRoot, to a publicly accessible location. This can result in a complete loss of confidentiality, exposing sensitive resources and potentially denying access to the affected component and the operating system's components. To exploit this vulnerability, the attacker needs to manipulate a POST request during the creation of an exercise unit by modifying specific parameters through directory traversal. It is important to note that when exploiting this vulnerability, all files obtained from the relocated directory become unavailable. The vulnerability has a base severity rating of HIGH with a base score of 8.1 according to NIST CVSS v3.1 scoring system, indicating its potential danger to organizations.

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