CVE-2024-46310 in FXServer
Summary
by MITRE • 01/13/2025
Incorrect Access Control in Cfx.re FXServer v9601 and earlier allows unauthenticated users to modify and read arbitrary user data via exposed API endpoint
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 01/17/2025
The vulnerability identified as CVE-2024-46310 represents a critical access control flaw within the Cfx.re FXServer platform version 9601 and earlier releases. This issue stems from insufficient authentication and authorization mechanisms within the server's application programming interface, creating a pathway for malicious actors to exploit exposed endpoints without proper credentials. The flaw specifically affects the server's handling of user data operations, where the system fails to properly validate incoming requests before executing read or modification operations on user accounts and associated information. This vulnerability directly violates fundamental security principles of least privilege and proper access control enforcement that are essential for protecting user data integrity and confidentiality.
The technical implementation of this vulnerability manifests through exposed API endpoints that should require authenticated access but instead accept requests from unauthenticated users. Attackers can leverage this weakness to perform unauthorized operations including reading sensitive user information, modifying user profiles, and potentially executing privilege escalation attacks. The flaw operates at the application layer and can be exploited through standard network-based attacks where malicious actors probe the server for exposed endpoints and then craft requests that bypass normal authentication flows. This type of vulnerability is classified under CWE-285, which specifically addresses improper authorization within software systems, and aligns with ATT&CK technique T1078.101 for Valid Accounts and T1566.001 for Phishing, as the attack can be initiated through reconnaissance of exposed services followed by exploitation of weak access controls.
The operational impact of CVE-2024-46310 extends beyond simple data exposure, as it creates a persistent threat vector that can compromise user accounts and lead to broader system infiltration. Organizations running affected FXServer versions face significant risks including unauthorized data modification, potential account takeovers, and exposure of sensitive user information that could be used for further attacks. The vulnerability affects the integrity and confidentiality of user data within the server environment, potentially enabling attackers to access personal information, session tokens, or other sensitive data stored in user accounts. This weakness also undermines the trust relationship between users and the service provider, as users may lose confidence in the platform's ability to protect their data. The attack surface is particularly concerning given that FXServer is commonly used in gaming and entertainment environments where user data often includes personal identifiers, financial information, and communication records.
Mitigation strategies for this vulnerability require immediate implementation of proper authentication mechanisms and access control enforcement within the FXServer platform. Organizations should upgrade to the latest version of Cfx.re FXServer that addresses this access control flaw, as version 9602 and later releases contain necessary patches to prevent unauthorized access to user data through exposed API endpoints. Network administrators should implement additional security controls including firewall rules to restrict access to API endpoints, enable comprehensive logging and monitoring of API access patterns, and deploy intrusion detection systems to identify suspicious activities. The implementation of multi-factor authentication for administrative access, regular security audits of exposed endpoints, and principle of least privilege enforcement should be prioritized. Additionally, organizations should conduct thorough penetration testing to identify other potential access control weaknesses and establish incident response procedures specifically designed to address unauthorized data access events. Security teams should also consider implementing API gateway solutions that provide additional layers of authentication and rate limiting to prevent abuse of exposed endpoints.