CVE-2024-46471: Membership Management System Disclosure Flaw

CVE-2024-46471 Overview

CVE-2024-46471 is an information disclosure vulnerability in CodeAstro Membership Management System 1.0. The application enables directory listing on the /uploads/ folder, exposing the structure and contents of the directory to unauthenticated remote users. Attackers can browse uploaded files directly through the web server without authentication, potentially revealing sensitive member records, documents, or configuration artifacts stored in that path. The weakness is classified under [CWE-200] Exposure of Sensitive Information to an Unauthorized Actor.

Critical Impact
Unauthenticated attackers can enumerate and download files stored in the /uploads/ directory of the application, exposing potentially sensitive member data over the network.

Affected Products

CodeAstro Membership Management System 1.0
PHP-based deployments using the upstream CodeAstro source distribution
Web servers serving the application with default Apache/Nginx directory index settings

Discovery Timeline

2024-09-27 - CVE-2024-46471 published to the National Vulnerability Database
2025-03-31 - Last updated in NVD database

Technical Details for CVE-2024-46471

Vulnerability Analysis

The CodeAstro Membership Management System ships with an /uploads/ directory used to store files submitted through the application. The web server hosting the application returns an automatic directory index when a user requests this path without specifying a filename. This behavior reveals every file name stored in the folder, allowing attackers to retrieve files directly by URL.

Because no authentication is required to reach the directory, the issue is reachable over the network by any remote actor. The exposed contents may include member identity documents, profile images, or other uploads that the application assumes are obscured by unguessable filenames. Predictable directory indexing eliminates that assumption.

Root Cause

The root cause is a missing security control on the upload directory. The shipped configuration does not include an index file, a Deny from all directive, or an equivalent autoindex off setting. When a request targets /uploads/, the server defaults to listing its contents. The application also does not enforce server-side access checks on individual files served from this location.

Attack Vector

An unauthenticated attacker issues an HTTP GET request to the /uploads/ path on a vulnerable installation. The server returns an HTML listing of every file in the directory. The attacker then downloads any file of interest by appending its name to the URL. No user interaction, credentials, or specialized tooling are required. Refer to the GitHub CVE-2024-46471 Writeup for full reproduction steps.

Detection Methods for CVE-2024-46471

Indicators of Compromise

Web server access logs showing GET requests to /uploads/ returning HTTP 200 with unusually large response bodies
Sequential GET requests from a single source IP for multiple distinct files under /uploads/
User-Agent strings associated with directory enumeration tools such as dirb, gobuster, or feroxbuster against the /uploads/ path

Detection Strategies

Scan application URLs for HTTP responses containing Index of /uploads HTML markers returned by Apache or Nginx autoindex modules
Monitor outbound responses for directory index signatures served from the membership application host
Run authenticated web application scans against staging instances to confirm whether /uploads/ returns a listing

Monitoring Recommendations

Forward web server access logs to a centralized log analytics platform and alert on bursts of requests to /uploads/
Track HTTP response sizes for the /uploads/ path and flag anomalies indicative of directory index pages
Correlate file download patterns with source IP reputation feeds to identify reconnaissance activity

How to Mitigate CVE-2024-46471

Immediate Actions Required

Disable directory listing on the web server hosting CodeAstro Membership Management System 1.0
Place an empty index.html or index.php file inside the /uploads/ directory to suppress autoindex output
Restrict direct web access to /uploads/ and serve files only through an authenticated application handler
Audit the contents of /uploads/ and remove any sensitive files that should not be web-accessible

Patch Information

No official vendor patch is referenced in the NVD entry for CVE-2024-46471. Administrators should apply server hardening described in the vendor product page and the public GitHub CVE-2024-46471 Writeup. Where feasible, migrate uploaded content to storage outside the web root and proxy access through application-layer authorization checks.

Workarounds

For Apache, add Options -Indexes to the virtual host or place an .htaccess file with the same directive inside /uploads/
For Nginx, ensure autoindex off; is set for the location block matching /uploads/
Move the /uploads/ directory outside the document root and serve files only through a controlled PHP endpoint that validates session and ownership
Apply a web application firewall rule that blocks requests to /uploads/ lacking a specific filename until server configuration is corrected

bash

# Apache .htaccess inside /uploads/
Options -Indexes

# Or globally in the vhost
<Directory "/var/www/html/uploads">
    Options -Indexes
    AllowOverride None
    Require all denied
</Directory>

# Nginx location block
location /uploads/ {
    autoindex off;
    internal;
}