CVE-2025-13087
📋 TL;DR
This vulnerability allows remote attackers with administrative access to execute arbitrary commands with root privileges on Opto22 Groov Manage devices. It affects GRV-EPIC and groov RIO products through improper neutralization of header values in REST API endpoints. Industrial control system operators using these devices are at risk.
💻 Affected Systems
- Opto22 GRV-EPIC
- Opto22 groov RIO
⚠️ 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
Complete compromise of industrial control systems leading to operational disruption, data theft, or physical damage through root-level command execution.
Likely Case
Unauthorized access to industrial networks, data exfiltration, and potential manipulation of control processes by authenticated attackers.
If Mitigated
Limited impact if proper network segmentation and access controls prevent unauthorized administrative access to the REST API.
🎯 Exploit Status
Exploitation requires administrative credentials. The vulnerability is in header parsing that leads to command injection.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Firmware version 5.0.0
Vendor Advisory: https://www.opto22.com/support/resources-tools/knowledgebase/kb91326
Restart Required: Yes
Instructions:
1. Download firmware version 5.0.0 from Opto22 support portal. 2. Backup current configuration. 3. Upload and install firmware update via Groov Manage interface. 4. Reboot device after installation completes.
🔧 Temporary Workarounds
Network Segmentation
allIsolate Groov devices in dedicated network segments with strict firewall rules.
Access Control Restriction
allLimit administrative access to Groov Manage REST API to trusted IP addresses only.
🧯 If You Can't Patch
- Implement strict network segmentation to isolate Groov devices from untrusted networks
- Enforce strong authentication and limit administrative access to minimum required personnel
🔍 How to Verify
Check if Vulnerable:
Check firmware version in Groov Manage web interface. Versions below 5.0.0 are vulnerable.Check Version:
Check via web interface at https://[device-ip]/manage or via SSH: cat /etc/opto22/versionVerify Fix Applied:
Confirm firmware version shows 5.0.0 or higher in Groov Manage interface after update.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to Groov Manage REST API endpoints
- Multiple failed authentication attempts followed by successful administrative login
- Commands with unusual parameters in system logs
Network Indicators:
- POST requests to /api/* endpoints with suspicious header values
- Unusual outbound connections from Groov devices
SIEM Query:
source="groov" AND (http_method="POST" AND uri_path="/api/*") AND (header_value CONTAINS "|" OR header_value CONTAINS ";" OR header_value CONTAINS "`")