CVE-2025-0645
📋 TL;DR
This vulnerability allows attackers to upload malicious files to Pyxis Signage systems, bypassing access controls. Attackers could execute arbitrary code, compromise the system, or access sensitive data. All Pyxis Signage installations through version 31012025 are affected.
💻 Affected Systems
- Pyxis Signage
⚠️ 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 leading to ransomware deployment, data exfiltration, or use as a pivot point into internal networks.
Likely Case
Unauthorized file upload leading to web shell installation, defacement, or limited data access.
If Mitigated
Attackers can upload files but cannot execute them due to proper file validation and permissions.
🎯 Exploit Status
Exploitation requires file upload capability but no authentication bypass is mentioned.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: https://www.usom.gov.tr/bildirim/tr-25-0404
Restart Required: No
Instructions:
1. Monitor vendor website for updates. 2. Apply patch when available. 3. Test in staging environment first.
🔧 Temporary Workarounds
File Upload Restriction
allImplement strict file type validation and size limits on upload endpoints.
Web Application Firewall Rules
allDeploy WAF rules to block suspicious file upload patterns.
🧯 If You Can't Patch
- Disable file upload functionality entirely if not required.
- Implement network segmentation to isolate Pyxis Signage systems from critical assets.
🔍 How to Verify
Check if Vulnerable:
Check Pyxis Signage version against affected range. Test file upload with dangerous extensions.Check Version:
Check admin interface or configuration files for version information.Verify Fix Applied:
Verify file upload rejects dangerous file types and implements proper validation.📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads
- Files with dangerous extensions being uploaded
- Failed upload validation attempts
Network Indicators:
- HTTP POST requests to upload endpoints with suspicious file types
- Unusual outbound connections after uploads
SIEM Query:
source="web_server" AND (url="*upload*" OR method="POST") AND (file_extension="php" OR file_extension="jsp" OR file_extension="exe")