CVE-2021-33894
📋 TL;DR
This SQL injection vulnerability in Progress MOVEit Transfer allows authenticated attackers to execute arbitrary SQL commands against the database. Affected organizations using vulnerable versions could have their database contents exposed, altered, or deleted. The vulnerability requires authentication but poses significant risk to data confidentiality and integrity.
💻 Affected Systems
- Progress MOVEit Transfer
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including data exfiltration, data destruction, and potential lateral movement to other systems via database connections.
Likely Case
Unauthorized data access and potential data manipulation by authenticated malicious users or compromised accounts.
If Mitigated
Limited impact with proper authentication controls, database permissions, and network segmentation in place.
🎯 Exploit Status
Requires authenticated access but SQL injection is a well-understood attack vector with many available tools.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2019.0.6 (11.0.6), 2019.1.5 (11.1.5), 2019.2.2 (11.2.2), 2020.0.5 (12.0.5), 2020.1.4 (12.1.4), 2021.0.1 (13.0.1) or later
Vendor Advisory: https://community.progress.com/s/article/MOVEit-Transfer-Vulnerability-June-2021
Restart Required: Yes
Instructions:
1. Download appropriate patch from Progress support portal. 2. Backup current installation. 3. Apply patch following vendor instructions. 4. Restart MOVEit Transfer services. 5. Verify successful update.
🔧 Temporary Workarounds
Database Permission Restriction
allLimit database user permissions to minimum required for application functionality
Network Segmentation
allIsolate MOVEit Transfer database from other critical systems
🧯 If You Can't Patch
- Implement strict authentication controls and monitor for suspicious account activity
- Deploy web application firewall with SQL injection protection rules
🔍 How to Verify
Check if Vulnerable:
Check MOVEit Transfer version in administrative interface or installation directoryCheck Version:
Check via MOVEit Transfer web interface: Admin > System > AboutVerify Fix Applied:
Verify version number matches patched versions listed in vendor advisory📡 Detection & Monitoring
Log Indicators:
- Unusual SQL query patterns in database logs
- Multiple failed authentication attempts followed by successful login
Network Indicators:
- Unusual database connection patterns from MOVEit server
- Large data transfers from database
SIEM Query:
source="mssql" OR source="mysql" AND (query="UNION" OR query="SELECT * FROM" OR query="DROP" OR query="DELETE")