CVE-2025-67278
📋 TL;DR
A privilege escalation vulnerability in TIM Solution GmbH's TIM BPM Suite and TIM FLOW allows remote attackers to gain elevated privileges through specially crafted HTTP requests. This affects organizations using these business process management tools before version 9.1.2. Attackers could potentially gain administrative access to the affected systems.
💻 Affected Systems
- TIM BPM Suite
- TIM FLOW
📦 What is this software?
Tim Flow by Tim Solutions
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with administrative access, allowing data theft, system manipulation, and lateral movement within the network.
Likely Case
Unauthorized privilege escalation leading to unauthorized access to sensitive business processes and data within the BPM system.
If Mitigated
Limited impact with proper network segmentation and access controls preventing exploitation attempts.
🎯 Exploit Status
Requires crafting specific HTTP requests but details are not publicly available. The vulnerability is related to improper privilege handling (CWE-266).
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 9.1.2
Vendor Advisory: https://tim-doc.atlassian.net/wiki/spaces/eng/pages/230981636/Release+Notes
Restart Required: Yes
Instructions:
1. Download TIM BPM Suite/TIM FLOW version 9.1.2 from official sources. 2. Backup current configuration and data. 3. Stop the TIM services. 4. Install the update following vendor documentation. 5. Restart services and verify functionality.
🔧 Temporary Workarounds
Network Access Restriction
linuxRestrict network access to TIM systems to only trusted IP addresses and networks.
Use firewall rules to limit access: iptables -A INPUT -p tcp --dport [TIM_PORT] -s [TRUSTED_IP] -j ACCEPT
iptables -A INPUT -p tcp --dport [TIM_PORT] -j DROP
Web Application Firewall
allDeploy a WAF with privilege escalation protection rules to block malicious HTTP requests.
🧯 If You Can't Patch
- Implement strict network segmentation to isolate TIM systems from untrusted networks
- Enforce principle of least privilege for all user accounts accessing the TIM systems
🔍 How to Verify
Check if Vulnerable:
Check the TIM system version via admin interface or configuration files. If version is below 9.1.2, the system is vulnerable.Check Version:
Check TIM installation directory for version files or use the web admin interface at /admin/versionVerify Fix Applied:
Verify the installed version is 9.1.2 or higher through the admin interface or by checking the application version files.📡 Detection & Monitoring
Log Indicators:
- Unusual privilege escalation attempts in application logs
- Multiple failed authentication attempts followed by successful privileged access
- HTTP requests with unusual parameters or headers
Network Indicators:
- HTTP requests to TIM endpoints with crafted parameters
- Unusual traffic patterns to TIM admin interfaces
SIEM Query:
source="tim_logs" AND (event_type="privilege_escalation" OR (auth_failure AND auth_success) OR http_request MATCH "*crafted*" OR http_request MATCH "*privilege*")