CVE-2025-53947
📋 TL;DR
A local privilege escalation vulnerability in Windows software allows low-privileged users to corrupt sensitive data. The vulnerability exists because a data folder is created with overly permissive permissions, enabling any authenticated user to modify its contents. This affects Windows systems running the vulnerable software.
💻 Affected Systems
- Specific product information not provided in CVE description - refer to vendor advisory
⚠️ 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
Critical data corruption leading to system instability, loss of sensitive information, or denial of service for legitimate users.
Likely Case
Unauthorized modification or deletion of application data, potentially causing application failures or data integrity issues.
If Mitigated
Limited impact with proper access controls and monitoring in place, though the vulnerability still exists.
🎯 Exploit Status
Exploitation requires local access with any user account. The attack involves modifying folder permissions or contents directly.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor advisory for specific version
Vendor Advisory: https://www.cisa.gov/news-events/ics-advisories/icsa-25-261-06
Restart Required: Yes
Instructions:
1. Review the CISA advisory for affected products
2. Check with your software vendor for available patches
3. Apply the vendor-provided patch following their instructions
4. Restart affected systems as required
🔧 Temporary Workarounds
Restrict folder permissions
windowsManually adjust the data folder permissions to restrict write access to authorized users only
icacls "C:\Path\To\DataFolder" /inheritance:r
icacls "C:\Path\To\DataFolder" /grant:r "SYSTEM:(OI)(CI)F"
icacls "C:\Path\To\DataFolder" /grant:r "Administrators:(OI)(CI)F"
icacls "C:\Path\To\DataFolder" /grant:r "AuthorizedUser:(OI)(CI)RX"
Move data to secure location
windowsRelocate sensitive data to a directory with proper access controls
🧯 If You Can't Patch
- Implement strict access controls on the data folder using Windows permissions
- Monitor the data folder for unauthorized access attempts and modifications
🔍 How to Verify
Check if Vulnerable:
Check if the software's data folder has overly permissive permissions (e.g., Everyone:Full Control or Authenticated Users:Modify)
Check Version:
Check software version through vendor-specific methods or Windows Programs and Features
Verify Fix Applied:
Verify that the data folder now has restricted permissions and only authorized users/groups have write access
📡 Detection & Monitoring
Log Indicators:
- Windows Security event logs showing unauthorized access to the data folder
- Application logs showing data corruption or access errors
Network Indicators:
- Local file access patterns to the vulnerable data folder
SIEM Query:
EventID=4663 AND ObjectName="*\DataFolder\*" AND Accesses="WriteData" OR "AppendData"