CVE-2025-11491
📋 TL;DR
This CVE describes an OS command injection vulnerability in DesktopCommanderMCP versions up to 0.2.13. Attackers can remotely execute arbitrary operating system commands on affected systems by manipulating the CommandManager function. Users running vulnerable versions of this software are at risk of complete system compromise.
💻 Affected Systems
- wonderwhy-er DesktopCommanderMCP
📦 What is this software?
Desktopcommandermcp by Wonderwhy Er
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise allowing attackers to execute arbitrary commands, install malware, exfiltrate data, or pivot to other systems on the network.
Likely Case
Remote code execution leading to data theft, system disruption, or deployment of ransomware/cryptominers.
If Mitigated
Limited impact if proper network segmentation, least privilege, and input validation are implemented.
🎯 Exploit Status
The exploit has been made public according to the CVE description, suggesting exploitation is straightforward.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 0.2.14 or later
Vendor Advisory: https://github.com/wonderwhy-er/DesktopCommanderMCP/issues/217
Restart Required: No
Instructions:
1. Check current version with 'npm list DesktopCommanderMCP' or similar. 2. Update to version 0.2.14+ using 'npm update DesktopCommanderMCP' or appropriate package manager. 3. Verify update with version check command.
🔧 Temporary Workarounds
Network Access Restriction
allRestrict network access to DesktopCommanderMCP instances using firewall rules to only allow trusted sources.
Input Validation Enhancement
allImplement additional input validation/sanitization for command parameters before they reach the vulnerable function.
🧯 If You Can't Patch
- Isolate affected systems in a restricted network segment with no internet access.
- Implement strict network monitoring and alerting for suspicious command execution patterns.
🔍 How to Verify
Check if Vulnerable:
Check the installed version of DesktopCommanderMCP. If version is 0.2.13 or earlier, the system is vulnerable.Check Version:
npm list DesktopCommanderMCP | grep DesktopCommanderMCPVerify Fix Applied:
After updating, verify the version is 0.2.14 or later and test that command injection attempts are properly blocked.📡 Detection & Monitoring
Log Indicators:
- Unusual command execution patterns in system logs
- Commands with suspicious characters or sequences in application logs
- Failed command execution attempts with injection patterns
Network Indicators:
- Unexpected outbound connections from DesktopCommanderMCP instances
- Traffic to known malicious IPs or domains
SIEM Query:
source="DesktopCommanderMCP" AND (command="*;*" OR command="*|*" OR command="*`*" OR command="*$(*" OR command="*&*" OR command="*||*")