CVE-2025-24346
📋 TL;DR
A vulnerability in the Proxy functionality of ctrlX OS allows authenticated low-privileged attackers to manipulate the /etc/environment file via crafted HTTP requests. This could lead to privilege escalation or system compromise. Affects Bosch ctrlX OS web applications with vulnerable Proxy functionality enabled.
💻 Affected Systems
- Bosch ctrlX OS
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise via privilege escalation to root, allowing arbitrary code execution, data theft, and complete control of affected devices.
Likely Case
Privilege escalation to higher system privileges, enabling unauthorized configuration changes, service disruption, and lateral movement.
If Mitigated
Limited impact with proper access controls, network segmentation, and monitoring in place, potentially only affecting isolated components.
🎯 Exploit Status
Exploitation requires authenticated access but uses simple HTTP request manipulation. No public exploit code available as of analysis.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: ctrlX OS 3.20.0 or later
Vendor Advisory: https://psirt.bosch.com/security-advisories/BOSCH-SA-640452.html
Restart Required: Yes
Instructions:
1. Download ctrlX OS version 3.20.0 or later from official Bosch sources. 2. Backup system configuration. 3. Apply update through ctrlX OS update mechanism. 4. Restart system as required. 5. Verify update completion.
🔧 Temporary Workarounds
Disable Proxy functionality
linuxDisable the vulnerable Proxy component if not required for operations
Check ctrlX OS documentation for Proxy disable procedure
Restrict network access
allLimit access to ctrlX web interface to trusted networks only
Configure firewall rules to restrict access to ctrlX web ports
🧯 If You Can't Patch
- Implement strict network segmentation to isolate ctrlX devices from critical networks
- Enforce strong authentication and limit low-privileged user accounts
🔍 How to Verify
Check if Vulnerable:
Check ctrlX OS version via web interface or CLI. Versions below 3.20.0 are vulnerable if Proxy functionality is enabled.
Check Version:
Check via ctrlX web interface System Information or consult device documentation for CLI version check
Verify Fix Applied:
Verify ctrlX OS version is 3.20.0 or later and check that Proxy functionality no longer allows /etc/environment manipulation.
📡 Detection & Monitoring
Log Indicators:
- Unusual HTTP requests to Proxy endpoints
- Unauthorized modifications to /etc/environment file
- Authentication logs showing low-privileged user accessing Proxy functions
Network Indicators:
- HTTP POST/PUT requests to Proxy endpoints with environment file manipulation patterns
- Unusual traffic to ctrlX web interface from unexpected sources
SIEM Query:
source="ctrlX" AND (uri="*proxy*" OR file_path="/etc/environment") AND action="modify"