CVSS 3.1 Score 7.5 of 10 (high)


Published Nov 16, 2023
Updated: Apr 16, 2024
CWE ID 862


CVE-2023-6038 is a Local File Inclusion (LFI) vulnerability found in version of h2o-3, specifically in its REST API. This vulnerability allows unauthenticated remote attackers to read arbitrary files on the server with the same permissions as the user running the h2o-3 instance. The exploit can be carried out through specific GET or POST requests to the ImportFiles and ParseSetup endpoints of the h2o-3 instance. The base severity of this vulnerability is rated as HIGH with a base score of 7.5 by NIST, indicating a significant potential danger to organizations that use h2o-3, as it does not require user interaction and could lead to unauthorized access to sensitive files on the server.

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