CVE-2025-53867
📋 TL;DR
This vulnerability allows remote attackers to execute arbitrary code on systems running vulnerable versions of Island Lake WebBatch by sending a specially crafted URL. Affected users include anyone running WebBatch versions before 2025C, potentially enabling complete system compromise.
💻 Affected Systems
- Island Lake WebBatch
⚠️ 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 takeover with administrative privileges, data exfiltration, ransomware deployment, and lateral movement across the network.
Likely Case
Initial foothold leading to credential theft, data manipulation, and installation of persistent backdoors.
If Mitigated
Exploit attempts detected and blocked by network controls, with minimal impact due to segmentation and least privilege.
🎯 Exploit Status
CWE-94 indicates improper control of generation of code ('Code Injection'), suggesting straightforward exploitation via URL manipulation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2025C
Vendor Advisory: https://www.winbatch.com/winbatchversions.html#WB2025C
Restart Required: Yes
Instructions:
1. Download WebBatch 2025C from vendor site. 2. Backup current configuration. 3. Install update. 4. Restart system. 5. Verify version.
🔧 Temporary Workarounds
Network Isolation
windowsBlock external access to WebBatch services using firewall rules.
netsh advfirewall firewall add rule name="Block WebBatch" dir=in action=block protocol=TCP localport=80,443,8080,8443
Application Whitelisting
windowsRestrict WebBatch execution to authorized processes only.
🧯 If You Can't Patch
- Isolate WebBatch servers in a segmented network zone with strict access controls.
- Implement web application firewall (WAF) rules to block suspicious URL patterns.
🔍 How to Verify
Check if Vulnerable:
Check WebBatch version via GUI or registry: HKEY_LOCAL_MACHINE\SOFTWARE\Island Lake\WebBatch\VersionCheck Version:
reg query "HKLM\SOFTWARE\Island Lake\WebBatch" /v VersionVerify Fix Applied:
Confirm version is 2025C or later using same method as check.📡 Detection & Monitoring
Log Indicators:
- Unusual URL patterns in web logs (e.g., long parameters, encoded characters)
- Unexpected process creation from WebBatch executable
Network Indicators:
- HTTP requests with crafted URLs to WebBatch endpoints
- Outbound connections from WebBatch to unknown IPs
SIEM Query:
source="web_logs" AND url="*webbatch*" AND (url="*cmd*" OR url="*powershell*" OR url="*&*%*" OR url_length>500)