CVE-2025-11337: Four-Faith Platform Path Traversal Flaw

CVE-2025-11337 Overview

CVE-2025-11337 is a path traversal vulnerability [CWE-22] affecting Four-Faith Water Conservancy Informatization Platform versions up to 2.2. The flaw resides in the /aloneReport/index.do/../../aloneReport/download.do;othersusrlogout.do endpoint. Attackers can manipulate the fileName parameter to traverse directories and access files outside the intended download path. The vulnerability is remotely exploitable without authentication or user interaction. Public exploit details have been disclosed, increasing the risk of opportunistic exploitation. The vendor was contacted before public disclosure but did not respond.

Critical Impact
Unauthenticated remote attackers can read arbitrary files from the server through path traversal, enabling disclosure of configuration files, credentials, and other sensitive data.

Affected Products

Four-Faith Water Conservancy Informatization Platform 2.0
Four-Faith Water Conservancy Informatization Platform 2.1
Four-Faith Water Conservancy Informatization Platform 2.2

Discovery Timeline

2025-10-06 - CVE-2025-11337 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-11337

Vulnerability Analysis

The vulnerability exists in the file download handler exposed at /aloneReport/download.do. The endpoint accepts a fileName request parameter and uses it to construct a file path on the server without proper sanitization. Attackers supply directory traversal sequences such as ../ in the fileName value to escape the intended report directory. The URL structure /aloneReport/index.do/../../aloneReport/download.do;othersusrlogout.do uses path segment normalization tricks and a matrix parameter (;othersusrlogout.do) to bypass authentication filters that likely rely on suffix or prefix matching against the logout endpoint. Once authentication is bypassed, the download handler returns the contents of the referenced file to the requester.

Root Cause

The root cause is improper limitation of a pathname to a restricted directory [CWE-22]. The application concatenates user-controlled input into a file path without canonicalizing the result or verifying that the resolved path remains within the permitted base directory. Combined with a URL routing filter that can be bypassed via matrix parameters and path segment manipulation, the flaw allows unauthenticated access to sensitive server-side files.

Attack Vector

Exploitation requires only network access to the web interface of the affected platform. An attacker sends an HTTP request to the vulnerable endpoint with a crafted fileName value containing traversal sequences. No credentials, user interaction, or elevated privileges are required. Because the vulnerable path segment includes ;othersusrlogout.do, the request can slip past authentication filters that expect the logout URL, granting anonymous access to the download functionality. Public proof-of-concept material referenced in the GitHub CVE Issue demonstrates the exploitation technique.

Detection Methods for CVE-2025-11337

Indicators of Compromise

HTTP requests to /aloneReport/download.do containing ../ sequences or URL-encoded variants such as %2e%2e%2f in the fileName parameter.
Requests targeting the composite URL pattern /aloneReport/index.do/../../aloneReport/download.do;othersusrlogout.do.
Unexpected outbound file transfers of configuration files, credential stores, or system files from the platform host.
Repeated 200 OK responses to unauthenticated GET requests against the report download endpoint.

Detection Strategies

Deploy web application firewall rules that inspect and normalize URL paths before matching, blocking traversal sequences in query parameters.
Correlate access logs for requests that mix matrix parameters (;) with the report endpoint, especially from unauthenticated sessions.
Alert on any response payload from /aloneReport/download.do referencing sensitive file paths such as /etc/passwd, web.xml, or application configuration files.

Monitoring Recommendations

Enable verbose HTTP access logging on the platform's web tier and forward logs to a centralized analytics system for retention and search.
Monitor egress volume from application servers for anomalous file read patterns following requests to the download endpoint.
Track authentication filter bypass attempts by flagging URLs that combine authenticated endpoints with logout suffixes.

How to Mitigate CVE-2025-11337

Immediate Actions Required

Restrict network exposure of the Four-Faith Water Conservancy Informatization Platform to trusted management networks or VPN-only access.
Deploy WAF signatures that block path traversal payloads in the fileName parameter and reject requests containing .. sequences after URL decoding.
Audit web server access logs for prior exploitation attempts and rotate any credentials or secrets stored in files that may have been exposed.

Patch Information

No vendor patch is currently available. According to the disclosure, the vendor was contacted before publication but did not respond. Organizations should track vendor communications and refer to VulDB entry #327220 for updates on remediation status.

Workarounds

Block external access to /aloneReport/download.do at the reverse proxy or load balancer until a vendor fix is released.
Implement a reverse proxy rule that canonicalizes URL paths and rejects requests containing matrix parameters on sensitive endpoints.
Apply strict allow-listing on the fileName parameter, permitting only expected filenames without directory separators or traversal sequences.

bash

# Example nginx configuration to block path traversal on the vulnerable endpoint
location ~* /aloneReport/ {
    if ($request_uri ~* "\.\.") { return 403; }
    if ($request_uri ~* ";") { return 403; }
    if ($arg_fileName ~* "(\.\./|%2e%2e|/)") { return 403; }
}