CVE-2024-40404

9.8 CRITICAL

📋 TL;DR

This vulnerability allows attackers to bypass access controls in Cybele Software Thinfinity Workspace's WebSocket API endpoint, potentially enabling unauthorized access to sensitive functionality. Organizations using Thinfinity Workspace versions before 7.0.2.113 are affected.

💻 Affected Systems

Products:
  • Cybele Software Thinfinity Workspace
Versions: All versions before 7.0.2.113
Operating Systems: Windows, Linux
Default Config Vulnerable: ⚠️ Yes
Notes: Affects all deployments using the vulnerable WebSocket API endpoint.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete system compromise allowing attackers to execute arbitrary code, access sensitive data, and pivot to other systems.

🟠

Likely Case

Unauthorized access to application functionality, data exfiltration, and potential privilege escalation.

🟢

If Mitigated

Limited impact with proper network segmentation and access controls, potentially only affecting isolated components.

🌐 Internet-Facing: HIGH
🏢 Internal Only: HIGH

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Access control bypass vulnerabilities typically have low exploitation complexity once the vulnerable endpoint is identified.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 7.0.2.113

Vendor Advisory: https://blog.cybelesoft.com/thinfinity-workspace-security-bulletin-nov-2024/

Restart Required: Yes

Instructions:

1. Download Thinfinity Workspace version 7.0.2.113 or later from Cybele Software. 2. Backup current configuration and data. 3. Install the updated version following vendor instructions. 4. Restart the Thinfinity Workspace service.

🔧 Temporary Workarounds

Network Access Restriction

all

Restrict network access to Thinfinity Workspace WebSocket endpoints using firewall rules.

Application Layer Filtering

all

Implement WAF rules to block suspicious WebSocket connection attempts.

🧯 If You Can't Patch

  • Implement strict network segmentation to isolate Thinfinity Workspace from critical systems
  • Deploy additional authentication and authorization controls at the network perimeter

🔍 How to Verify

Check if Vulnerable:

Check Thinfinity Workspace version in administration console or via system information.

Check Version:

Check Thinfinity Workspace admin interface or consult vendor documentation for version checking.

Verify Fix Applied:

Verify version is 7.0.2.113 or later and test WebSocket endpoint access controls.

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized WebSocket connection attempts
  • Access control failure logs
  • Unusual API endpoint access patterns

Network Indicators:

  • WebSocket traffic to vulnerable endpoints from unauthorized sources
  • Abnormal WebSocket protocol usage

SIEM Query:

source="thinfinity" AND (event_type="access_denied" OR event_type="auth_failure") AND endpoint="websocket"

🔗 References

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