CVE-2025-27368
📋 TL;DR
IBM OpenPages 9.0 and 9.1 has insecure REST endpoints that allow authenticated users to access system metadata beyond their intended permissions. This information disclosure vulnerability affects all users with authenticated access to vulnerable OpenPages instances.
💻 Affected Systems
- IBM OpenPages
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
An attacker could map the entire system architecture, discover sensitive configuration details, and potentially identify other vulnerabilities or attack paths.
Likely Case
Users accidentally or intentionally accessing metadata about system components, workflows, or configurations they shouldn't see, potentially enabling further reconnaissance.
If Mitigated
Limited exposure of non-critical system metadata with minimal operational impact.
🎯 Exploit Status
Exploitation requires authenticated access but involves simple API calls to vulnerable REST endpoints.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Apply interim fix or upgrade as specified in IBM advisory
Vendor Advisory: https://www.ibm.com/support/pages/node/7250238
Restart Required: Yes
Instructions:
1. Review IBM advisory 7250238. 2. Apply the recommended interim fix or upgrade to a fixed version. 3. Restart OpenPages services. 4. Verify the fix by testing the previously vulnerable endpoints.
🔧 Temporary Workarounds
Network segmentation and access controls
allRestrict network access to OpenPages REST API endpoints to only trusted users and systems
Enhanced monitoring of API access
allImplement logging and alerting for unusual patterns of REST API calls to metadata endpoints
🧯 If You Can't Patch
- Implement strict principle of least privilege for all user accounts
- Deploy web application firewall rules to block suspicious patterns of REST API calls
🔍 How to Verify
Check if Vulnerable:
Test authenticated access to OpenPages REST endpoints that return system metadata; if you can access metadata beyond your role permissions, the system is vulnerable.Check Version:
Check OpenPages version through administrative interface or consult deployment documentationVerify Fix Applied:
After applying patches, retest the same REST endpoints to confirm they now properly enforce access controls.📡 Detection & Monitoring
Log Indicators:
- Unusual patterns of GET requests to REST endpoints, particularly those accessing system metadata
- Multiple failed authorization attempts followed by successful metadata access
Network Indicators:
- High volume of REST API calls to metadata endpoints from single user sessions
- Patterns of sequential enumeration of REST endpoints
SIEM Query:
source="openpages" AND (uri_path CONTAINS "/api/" OR uri_path CONTAINS "/rest/") AND (http_method="GET") AND (response_code=200) | stats count by user, uri_path