CVE-2025-8053
📋 TL;DR
This CVE describes an access control vulnerability in OpenText Flipper where low-privilege users can interact with backend APIs without proper authorization. This allows unauthorized access to functionality reserved for higher-privileged users. The vulnerability affects Flipper version 3.1.2.
💻 Affected Systems
- OpenText Flipper
📦 What is this software?
Flipper by Opentext
⚠️ Risk & Real-World Impact
Worst Case
Low-privilege users could gain administrative access, modify system configurations, access sensitive data, or disrupt service operations.
Likely Case
Unauthorized users accessing or modifying data they shouldn't have access to, potentially leading to data leakage or integrity issues.
If Mitigated
With proper access controls and network segmentation, impact would be limited to authorized users within their designated privilege levels.
🎯 Exploit Status
Exploitation requires low-privilege access but not necessarily authentication. The vulnerability is in access control logic, making exploitation straightforward once identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check OpenText advisory for specific patched version
Vendor Advisory: https://support.opentext.com/csm?id=ot_kb_unauthenticated&sysparm_article=KB0850532
Restart Required: Yes
Instructions:
1. Review OpenText advisory KB0850532. 2. Download and apply the recommended patch from OpenText support. 3. Restart Flipper services. 4. Verify access controls are functioning correctly.
🔧 Temporary Workarounds
Network Segmentation
allRestrict network access to Flipper API endpoints to only authorized users and systems
Enhanced Monitoring
allImplement detailed logging and monitoring of API access attempts and privilege escalations
🧯 If You Can't Patch
- Implement strict network access controls to limit who can reach the Flipper API endpoints
- Deploy additional authentication and authorization layers (API gateways, WAFs) in front of Flipper
🔍 How to Verify
Check if Vulnerable:
Check if running Flipper version 3.1.2. Test if low-privilege users can access API endpoints intended for higher privileges.Check Version:
Check Flipper administration interface or configuration files for version informationVerify Fix Applied:
After patching, verify that low-privilege users cannot access restricted API endpoints. Test privilege escalation attempts.📡 Detection & Monitoring
Log Indicators:
- Unauthorized API access attempts
- Privilege escalation patterns
- Access to restricted endpoints from low-privilege accounts
Network Indicators:
- Unusual API traffic patterns
- Requests to administrative endpoints from non-admin sources
SIEM Query:
source="flipper" AND (event_type="api_access" AND user_privilege="low" AND endpoint="admin_*")