CVE-2025-55250
📋 TL;DR
HCL AION version 2 contains a technical error disclosure vulnerability that can expose sensitive system details through error messages. This affects organizations using HCL AION version 2, potentially revealing technical information that could aid attackers in reconnaissance or further exploitation.
💻 Affected Systems
- HCL AION
📦 What is this software?
Aion by Hcltech
⚠️ Risk & Real-World Impact
Worst Case
Attackers could obtain detailed technical information about the AION system configuration, potentially revealing version details, internal paths, or other sensitive data that could facilitate more serious attacks.
Likely Case
Information disclosure through verbose error messages that reveal technical details about the system, potentially aiding attackers in reconnaissance and vulnerability identification.
If Mitigated
Limited exposure of non-critical technical details with minimal impact on system security when proper error handling and logging controls are in place.
🎯 Exploit Status
This is an information disclosure vulnerability that typically requires triggering error conditions to reveal technical details.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor advisory for specific patched version
Vendor Advisory: https://support.hcl-software.com/kb_view.do?sys_kb_id=4b92474633de7ad4159a05273e5c7b4b&searchTerm=kb0127995#
Restart Required: Yes
Instructions:
1. Review the HCL advisory for specific patch details. 2. Apply the recommended patch from HCL. 3. Restart the AION service. 4. Verify the fix is applied.
🔧 Temporary Workarounds
Configure Error Handling
allConfigure AION to suppress detailed error messages in production environments
Refer to HCL AION documentation for error handling configuration
Network Segmentation
allRestrict access to AION systems to authorized users only
Configure firewall rules to limit access to AION ports
🧯 If You Can't Patch
- Implement network segmentation to restrict access to AION systems
- Configure detailed error messages to be suppressed in production environments
🔍 How to Verify
Check if Vulnerable:
Check if running HCL AION version 2 using the version check commandCheck Version:
Refer to HCL AION documentation for version checking commands specific to your installationVerify Fix Applied:
Verify the version is updated beyond the vulnerable version 2 and test error handling📡 Detection & Monitoring
Log Indicators:
- Detailed error messages containing technical system information in AION logs
- Unusual error patterns or increased error rates
Network Indicators:
- Requests designed to trigger error conditions
- Unusual traffic patterns to error endpoints
SIEM Query:
source="aion_logs" AND (message="*error*" OR message="*exception*") AND message="*technical*" OR message="*configuration*"