CVE-2025-27550
📋 TL;DR
This vulnerability in IBM Jazz Reporting Service allows authenticated users on the same network to access sensitive information from other projects on the server. It affects organizations using IBM Jazz Reporting Service where multiple projects share the same server. The issue stems from improper access controls.
💻 Affected Systems
- IBM Jazz Reporting Service
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
An authenticated malicious insider could exfiltrate sensitive project data, intellectual property, or confidential information from all projects on the server.
Likely Case
Accidental or intentional information leakage between projects, potentially violating data segregation requirements or exposing proprietary information.
If Mitigated
Limited impact if proper network segmentation and access controls prevent unauthorized users from reaching the service.
🎯 Exploit Status
Requires authenticated access but exploitation appears straightforward once authenticated.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check IBM advisory for specific fixed versions
Vendor Advisory: https://www.ibm.com/support/pages/node/7258083
Restart Required: Yes
Instructions:
1. Review IBM advisory for affected versions. 2. Apply the recommended fix or upgrade to a non-vulnerable version. 3. Restart the Jazz Reporting Service. 4. Verify the fix by testing access controls.
🔧 Temporary Workarounds
Network Segmentation
allRestrict network access to Jazz Reporting Service to only authorized users and systems
Access Control Review
allReview and tighten user permissions and project access controls within Jazz Reporting Service
🧯 If You Can't Patch
- Implement strict network access controls to limit who can reach the Jazz Reporting Service
- Segregate sensitive projects to separate Jazz Reporting Service instances
🔍 How to Verify
Check if Vulnerable:
Check your IBM Jazz Reporting Service version against the affected versions listed in the IBM advisory
Check Version:
Check Jazz Reporting Service administration interface or installation documentation for version information
Verify Fix Applied:
After patching, test that authenticated users cannot access information from projects they are not authorized for
📡 Detection & Monitoring
Log Indicators:
- Unusual access patterns to multiple projects by single users
- Access attempts to unauthorized project data
Network Indicators:
- Unusual data transfers from Jazz Reporting Service
- Access from unauthorized network segments
SIEM Query:
source="jazz_reporting" AND (event_type="data_access" OR event_type="project_access") AND user_accessing_multiple_projects=true