CVE-2025-31965 in BigFix Remote Control
Summary
by MITRE • 07/29/2025
Improper access restrictions in HCL BigFix Remote Control Server WebUI (versions 10.1.0.0248 and lower) allow non-admin users to view unauthorized information on certain web pages.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 08/01/2025
The vulnerability identified as CVE-2025-31965 represents a critical access control weakness within the HCL BigFix Remote Control Server WebUI component. This flaw affects versions 10.1.0.0248 and earlier, where the system fails to properly enforce authorization checks on specific web pages. The vulnerability stems from insufficient validation of user privileges before granting access to sensitive information, creating a pathway for unauthorized users to bypass intended security controls. The improper access restrictions manifest as a lack of proper authentication and authorization checks that should normally prevent non-administrative users from accessing administrative functions or sensitive data. This weakness directly violates fundamental security principles and creates potential exposure for organizations relying on the BigFix platform for remote system management and monitoring.
The technical implementation of this vulnerability involves the web user interface failing to perform adequate access control validation when serving content to authenticated users. When non-administrative users access certain web pages within the BigFix Remote Control Server interface, the system does not properly verify whether the requesting user possesses the necessary administrative privileges. This allows users with limited access rights to potentially view configuration details, system information, or other sensitive data that should only be accessible to authorized administrators. The flaw likely exists in the application's permission model where role-based access controls are either missing or improperly implemented, resulting in information disclosure through the web interface. This vulnerability falls under the CWE-285 category of Improper Authorization, specifically addressing insufficient access control mechanisms that allow unauthorized access to protected resources.
The operational impact of this vulnerability extends beyond simple information disclosure, as it enables potential attackers to gather intelligence about the target environment and its configuration. Non-admin users who can access unauthorized information may discover system architecture details, network configurations, or other sensitive data that could facilitate further attacks. This information could be leveraged to identify potential attack vectors, understand system dependencies, or plan more sophisticated exploitation attempts. The vulnerability particularly affects organizations that rely on BigFix for remote management, as it could allow unauthorized users to gain insights into their remote control infrastructure and potentially compromise the security of managed systems. The impact is amplified in environments where multiple users share administrative access or where privilege escalation opportunities exist within the broader system architecture.
Organizations should immediately implement mitigations including updating to the latest version of HCL BigFix Remote Control Server that addresses this vulnerability, applying any available patches or hotfixes provided by the vendor, and implementing additional access controls through network segmentation. Administrators should review and tighten user permissions to ensure that only authorized personnel have access to sensitive administrative functions within the web interface. The implementation of network-level controls such as firewall rules and access control lists can help limit exposure to the affected web interface. Additionally, organizations should conduct thorough security assessments to identify any potential unauthorized access that may have occurred prior to patching. Regular monitoring of system logs for suspicious activity and implementing proper audit trails can help detect and respond to potential exploitation attempts. This vulnerability demonstrates the critical importance of maintaining up-to-date security controls and implementing defense-in-depth strategies to protect against unauthorized access to critical system components.