CVE-2025-63293
📋 TL;DR
This vulnerability allows authenticated users to append comments or upload attachments to tickets they are not authorized to view or edit in FairSketch Rise Ultimate Project Manager & CRM. It affects organizations using version 3.9.4 of this software. The issue stems from missing authorization checks in the ticketing/commenting API.
💻 Affected Systems
- FairSketch Rise Ultimate Project Manager & CRM
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Malicious insiders or compromised accounts could manipulate sensitive tickets, upload malicious files, or disrupt business processes by interfering with tickets they shouldn't have access to.
Likely Case
Users accidentally or intentionally modifying tickets outside their authorized scope, potentially causing data integrity issues or minor workflow disruptions.
If Mitigated
With proper access controls and monitoring, impact is limited to unauthorized ticket modifications that can be detected and rolled back.
🎯 Exploit Status
Exploitation requires authenticated access but minimal technical skill.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: http://fairsketch.com
Restart Required: No
Instructions:
1. Check vendor website for security updates. 2. Apply any available patches. 3. Verify authorization checks are properly implemented.
🔧 Temporary Workarounds
API Access Restriction
allRestrict access to ticketing/commenting API endpoints to authorized users only using web server rules.
Enhanced Monitoring
allImplement detailed logging and alerting for unauthorized ticket modification attempts.
🧯 If You Can't Patch
- Implement strict access controls and principle of least privilege for all user accounts.
- Deploy web application firewall rules to detect and block unauthorized API requests to ticketing endpoints.
🔍 How to Verify
Check if Vulnerable:
Test if authenticated users can comment on or attach files to tickets they lack view permissions for via the API.Check Version:
Check application version in admin panel or configuration files.Verify Fix Applied:
Verify that authorization checks properly prevent unauthorized ticket modifications in the API.📡 Detection & Monitoring
Log Indicators:
- Unusual ticket modification patterns
- API requests to ticketing endpoints from unauthorized users
- Failed authorization attempts
Network Indicators:
- HTTP POST requests to ticketing/commenting API endpoints with unexpected user IDs
SIEM Query:
source="web_logs" AND (uri_path="/api/ticketing" OR uri_path="/api/comment") AND user_id NOT IN authorized_users