CVE-2025-0275
📋 TL;DR
HCL BigFix Mobile versions 3.3 and earlier have an improper access control vulnerability that allows unauthorized users to access a limited set of endpoint actions. This could potentially expose select internal functions to attackers. Organizations using affected versions of HCL BigFix Mobile are at risk.
💻 Affected Systems
- HCL BigFix Mobile
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Unauthorized users gain access to sensitive internal functions, potentially leading to data exposure, configuration changes, or lateral movement within the mobile device management system.
Likely Case
Limited unauthorized access to non-critical functions, potentially exposing some internal system information or allowing minor configuration changes.
If Mitigated
With proper network segmentation and access controls, impact is limited to isolated functions with minimal data exposure.
🎯 Exploit Status
Exploitation requires some knowledge of the system's API endpoints and functions.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 3.4 or later
Vendor Advisory: https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0124512
Restart Required: No
Instructions:
1. Download HCL BigFix Mobile version 3.4 or later from HCL support portal. 2. Follow standard upgrade procedures for your deployment. 3. Verify the upgrade completed successfully.
🔧 Temporary Workarounds
Network Segmentation
allRestrict network access to BigFix Mobile servers to only authorized users and systems
Access Control Review
allReview and tighten existing access controls and user permissions
🧯 If You Can't Patch
- Implement strict network segmentation to isolate BigFix Mobile servers
- Enhance monitoring and logging of access to BigFix Mobile endpoints
🔍 How to Verify
Check if Vulnerable:
Check BigFix Mobile version in administration console or configuration filesCheck Version:
Check administration console or refer to deployment documentation for version verificationVerify Fix Applied:
Verify version is 3.4 or later and test access controls for previously vulnerable endpoints📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to BigFix Mobile endpoints
- Unusual API calls from unexpected sources
Network Indicators:
- Unusual traffic patterns to BigFix Mobile servers
- Access from unauthorized IP addresses
SIEM Query:
source="bigfix-mobile" AND (event_type="access_denied" OR user="unknown")