CVE-2024-0425: ForU CMS Auth Bypass Vulnerability

CVE-2024-0425 Overview

CVE-2024-0425 is a weak password recovery vulnerability in ForU CMS versions up to 2020-06-23. The flaw resides in the /admin/index.php?act=reset_admin_psw endpoint, which implements an insecure administrator password reset mechanism. Remote attackers can exploit this issue over the network without authentication or user interaction. Successful exploitation allows attackers to reset administrator credentials and gain control of the affected CMS instance. The vulnerability is tracked as VDB-250444 and maps to CWE-640: Weak Password Recovery Mechanism for Forgotten Password. The exploit has been disclosed publicly.

Critical Impact
Unauthenticated remote attackers can reset administrator passwords, leading to full administrative takeover of ForU CMS installations.

Affected Products

ForU CMS versions up to and including 2020-06-23
ForU CMS administrative interface (/admin/index.php)
Deployments exposing the reset_admin_psw action to untrusted networks

Discovery Timeline

2024-01-11 - CVE-2024-0425 published to the National Vulnerability Database
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2024-0425

Vulnerability Analysis

The vulnerability stems from an insecure password recovery workflow exposed via the administrative endpoint /admin/index.php?act=reset_admin_psw. The reset routine does not adequately verify the identity of the requester before issuing or applying a new administrator password. Because the endpoint is reachable over the network and requires no authentication, attackers can invoke the reset flow directly. The weakness is categorized as [CWE-640], which covers reset mechanisms that rely on predictable tokens, missing identity checks, or guessable security questions. Loss of integrity is the primary consequence, since attackers can overwrite credentials and assume the administrator role.

Root Cause

The reset_admin_psw action in ForU CMS implements a password recovery process that lacks sufficient verification controls. Insufficient validation of recovery tokens, missing rate limiting, and absent out-of-band confirmation allow the reset flow to be abused. The product has not received updates since 2020-06-23, indicating an unmaintained code path.

Attack Vector

An attacker sends a crafted HTTP request to /admin/index.php?act=reset_admin_psw on a vulnerable ForU CMS instance. Because the reset logic does not properly authenticate the requester or validate ownership of the target account, the attacker triggers a password change for the administrator account. After the reset succeeds, the attacker logs in with the new credentials and gains full administrative control over the CMS, including content management, file operations, and any privileged functionality exposed by the admin panel. Technical details and a proof of concept are documented in the public vulnerability report on GitHub and the VulDB entry #250444.

Detection Methods for CVE-2024-0425

Indicators of Compromise

HTTP requests targeting /admin/index.php?act=reset_admin_psw originating from unexpected source addresses
Unexplained changes to administrator account credentials or recent admin logins from new IP addresses
Creation of new administrative accounts, modifications to template files, or upload of unfamiliar PHP files following a reset event
Web server access logs showing repeated POST or GET requests to the password reset action

Detection Strategies

Inspect web server access and application logs for invocations of the reset_admin_psw action and correlate with subsequent admin logins
Deploy Web Application Firewall (WAF) rules that flag or block requests to the vulnerable reset endpoint from untrusted sources
Monitor file integrity on the CMS document root for unexpected modifications to PHP files and configuration

Monitoring Recommendations

Forward web server, PHP, and database logs to a centralized SIEM with alerting on access to administrative endpoints
Establish alerts for password change events and administrator session activity outside of business hours
Track outbound connections from the web host to identify post-compromise command-and-control activity

How to Mitigate CVE-2024-0425

Immediate Actions Required

Restrict network access to the /admin/ directory using IP allow-listing, VPN, or reverse proxy authentication
Disable or remove the reset_admin_psw action if password recovery is not required in your deployment
Rotate all administrator credentials and review admin account lists for unauthorized additions
Audit web server logs for prior exploitation attempts against the vulnerable endpoint

Patch Information

No vendor patch is available. ForU CMS has not received updates since the 2020-06-23 release, and no fixed version has been published. Organizations running ForU CMS should plan migration to a maintained content management platform. Refer to the public vulnerability report and VulDB advisory for technical context.

Workarounds

Place the CMS administrative interface behind an authenticating reverse proxy or VPN to block unauthenticated reset requests
Apply WAF rules that deny requests containing act=reset_admin_psw unless they originate from trusted networks
Implement out-of-band administrator password management and disable the in-application reset flow where feasible
Migrate to an actively maintained CMS, since ForU CMS no longer receives security updates

bash

# Example nginx configuration to restrict access to the vulnerable endpoint
location ~ ^/admin/index\.php {
    if ($arg_act = "reset_admin_psw") {
        return 403;
    }
    allow 10.0.0.0/8;
    deny all;
}