CVE-2022-0263
📋 TL;DR
This vulnerability allows attackers to upload malicious files to Pimcore systems due to insufficient file type validation. It affects all Pimcore installations prior to version 10.2.7. Attackers could potentially execute arbitrary code on the server.
💻 Affected Systems
- Pimcore
📦 What is this software?
Pimcore by Pimcore
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise, data theft, and lateral movement within the network.
Likely Case
File upload leading to web shell deployment, data manipulation, or denial of service.
If Mitigated
Limited impact with proper file upload restrictions and web application firewalls in place.
🎯 Exploit Status
Exploitation is straightforward via web interface file upload.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 10.2.7
Vendor Advisory: https://github.com/pimcore/pimcore/commit/35d1853baf64d6a1d90fd8803e52439da53a3911
Restart Required: No
Instructions:
1. Update Pimcore to version 10.2.7 or later via Composer: composer update pimcore/pimcore 2. Clear cache: bin/console cache:clear 3. Verify update with: composer show pimcore/pimcore
🔧 Temporary Workarounds
File Upload Restriction
allImplement strict file type validation and size limits in web server configuration.
# Configure nginx location block with file restrictions
# Configure Apache .htaccess with file type restrictions
Web Application Firewall
allDeploy WAF rules to block malicious file upload patterns.
# Configure ModSecurity rules for file upload filtering
🧯 If You Can't Patch
- Disable all file upload functionality in Pimcore configuration
- Implement network segmentation to isolate Pimcore servers from critical systems
🔍 How to Verify
Check if Vulnerable:
Check Pimcore version via admin interface or run: composer show pimcore/pimcore | grep versionCheck Version:
composer show pimcore/pimcore | grep versionVerify Fix Applied:
Confirm version is 10.2.7 or higher and test file upload with restricted file types.📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads with executable extensions
- Multiple failed upload attempts
- Uploads bypassing normal validation
Network Indicators:
- HTTP POST requests with file uploads to Pimcore endpoints
- Unusual outbound connections from Pimcore server
SIEM Query:
source="pimcore" AND (event="file_upload" AND file_extension IN ("php", "exe", "sh", "py"))