CVE-2024-58396: YouDataSum CPAS Audit Management System V4 Path Traversal via downPlugs fileId
YouDataSum CPAS Audit Management System V4 contains a path traversal vulnerability that allows unauthenticated attackers to read arbitrary files by manipulating the fileId parameter. Attackers can send GET requests to /cpasm4/plugInManController/downPlugs with ../ sequences in fileId to retrieve system files like /etc/passwd. Exploitation evidence was first observed by the Shadowserver Foundation on 2025-01-13.
Affected Software
Event History
Frequently Asked Questions
What access does an attacker need to exploit this issue?
No authentication or prior privileges are required. An attacker can send a GET request to the affected downPlugs endpoint and manipulate the fileId parameter with path-traversal sequences.
What systems are exposed?
Instances of YouDataSum CPAS Audit Management System V4 with the /cpasm4/plugInManController/downPlugs endpoint reachable by an attacker are exposed. The provided data does not identify a fixed version or configuration.
What is the impact of successful exploitation?
An attacker can read arbitrary files accessible to the application, including system files such as /etc/passwd. The stated impact is high confidentiality loss, with no integrity or availability impact indicated.
How can defenders look for exploitation attempts?
Review web-server and application logs for GET requests to /cpasm4/plugInManController/downPlugs where the fileId parameter contains ../ sequences or otherwise attempts to reference files outside the intended plugin path. Exploitation evidence was first observed on 2025-01-13.