CVE-2024-12953: Portfolio Management System MCA RCE Flaw

CVE-2024-12953 Overview

CVE-2024-12953 is an unrestricted file upload vulnerability in 1000 Projects Portfolio Management System MCA 1.0. The flaw resides in the /update_pd_process.php script, where the profile parameter accepts arbitrary file uploads without proper validation. Remote attackers with low-privilege authentication can exploit the issue over the network to place malicious files on the server. The exploit details have been publicly disclosed, increasing the risk of opportunistic abuse against exposed deployments. The weakness is categorized under [CWE-284] (Improper Access Control).

Critical Impact

Successful exploitation allows authenticated remote attackers to upload arbitrary files through the profile parameter, potentially leading to web shell deployment and compromise of the hosting application.

Affected Products

• 1000projects Portfolio Management System MCA 1.0
• File component: /update_pd_process.php
• Vulnerable parameter: profile

Discovery Timeline

• 2024-12-26 - CVE-2024-12953 published to NVD
• 2025-04-22 - Last updated in NVD database

Technical Details for CVE-2024-12953

Vulnerability Analysis

The vulnerability is an unrestricted file upload weakness in the Portfolio Management System MCA web application. The /update_pd_process.php endpoint processes the profile argument without enforcing file type, extension, or content restrictions. An attacker submitting a crafted multipart request can supply a server-side executable file in place of an expected image or document. Because the application does not validate the uploaded artifact, attackers can stage payloads in a web-accessible directory and request them to achieve code execution within the application context.

Root Cause

The root cause is improper access control combined with missing input validation on file uploads [CWE-284]. The profile parameter handler trusts client-supplied filenames and MIME types and writes the resulting file to disk. There is no allowlist of permitted extensions, no MIME sniffing, and no rename or storage-segregation logic that would prevent direct execution of uploaded content.

Attack Vector

The attack vector is network-based and requires only low-level privileges within the application. An attacker authenticated as a standard user submits an HTTP POST request to /update_pd_process.php containing a malicious payload in the profile field. Once stored on the server, the file can be invoked via a direct HTTP request. Public disclosure of the technique on VulDB and GitHub lowers the barrier for opportunistic exploitation. EPSS currently estimates exploitation probability at 0.062%.

No verified proof-of-concept code is available; technical details are referenced in the GitHub Project Documentation and VulDB #289316.

Detection Methods for CVE-2024-12953

Indicators of Compromise

• Unexpected files with executable extensions such as .php, .phtml, or .phar written to upload directories used by the Portfolio Management System MCA application.
• HTTP POST requests to /update_pd_process.php containing multipart profile fields with non-image content types or suspicious filenames.
• Outbound network connections initiated by the web server process shortly after profile update activity.

Detection Strategies

• Inspect web server access logs for POST requests to /update_pd_process.php followed by GET requests to newly created files under user-controlled upload paths.
• Use file integrity monitoring on application upload directories to identify newly written server-executable files.
• Apply WAF signatures that flag multipart uploads containing PHP tags, shebangs, or known web shell strings in the profile parameter.

Monitoring Recommendations

• Centralize PHP error and access logs and alert on anomalous user-agents or scripted requests hitting the vulnerable endpoint.
• Baseline normal profile upload behavior and trigger alerts on deviations such as oversized payloads or non-standard content types.
• Correlate authentication events with subsequent file uploads to identify accounts being abused for staging payloads.

How to Mitigate CVE-2024-12953

Immediate Actions Required

• Restrict network access to the Portfolio Management System MCA application until validated mitigations are in place.
• Disable or remove the /update_pd_process.php endpoint if the profile update functionality is not required.
• Audit existing upload directories for unauthorized files and remove any artifacts that cannot be attributed to legitimate users.

Patch Information

No vendor advisory or patch has been published for 1000projects Portfolio Management System MCA 1.0. Organizations using this software should monitor the 1000 Projects Resource Hub for updates and consider migrating to an actively maintained portfolio management platform.

Workarounds

• Implement a server-side allowlist of permitted file extensions and validate MIME types using content inspection rather than client headers.
• Store uploaded files outside the web root and serve them through a controller that prevents direct script execution.
• Rename uploaded files to randomized identifiers and strip executable permissions at the filesystem level.
• Place the application behind a web application firewall configured to block multipart payloads containing executable script content.

# Example Apache configuration to prevent script execution in upload directory
<Directory "/var/www/portfolio/uploads">
    php_admin_flag engine off
    AddType text/plain .php .phtml .phar .php3 .php4 .php5
    Options -ExecCGI
    <FilesMatch "\.(php|phtml|phar|php[0-9])$">
        Require all denied
    </FilesMatch>
</Directory>