CVE-2024-4893
📋 TL;DR
CVE-2024-4893 is a critical SQL injection vulnerability in DigiWin EasyFlow .NET that allows remote attackers to execute arbitrary SQL commands. This enables unauthorized database access (read/modify/delete) and potential system command execution. Organizations using vulnerable versions of this workflow management software are affected.
💻 Affected Systems
- DigiWin EasyFlow .NET
⚠️ 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
Complete compromise of the database and underlying operating system, leading to data theft, destruction, and full system control.
Likely Case
Unauthorized access to sensitive workflow data, database manipulation, and potential lateral movement within the network.
If Mitigated
Limited impact with proper input validation, parameterized queries, and network segmentation in place.
🎯 Exploit Status
SQL injection vulnerabilities are commonly exploited with readily available tools and techniques.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not specified in references
Vendor Advisory: https://www.twcert.org.tw/en/cp-139-7801-67d07-2.html
Restart Required: No
Instructions:
1. Monitor vendor for security updates. 2. Apply patches when available. 3. Test in non-production environment first.
🔧 Temporary Workarounds
Implement Input Validation
allAdd server-side validation to sanitize and restrict user input for SQL parameters.
Use Parameterized Queries
allReplace dynamic SQL queries with parameterized queries to prevent SQL injection.
🧯 If You Can't Patch
- Implement a Web Application Firewall (WAF) with SQL injection rules
- Restrict network access to the application using firewall rules
🔍 How to Verify
Check if Vulnerable:
Review application code for lack of input validation on SQL parameters or test with SQL injection payloads in controlled environment.Check Version:
Check application version through administrative interface or configuration files.Verify Fix Applied:
Verify that parameterized queries are implemented and input validation is in place; retest with SQL injection payloads.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL query patterns
- Error messages containing SQL syntax
- Multiple failed login attempts with SQL-like payloads
Network Indicators:
- HTTP requests containing SQL keywords (SELECT, UNION, etc.)
- Unexpected database connections
SIEM Query:
source="web_logs" AND ("SELECT" OR "UNION" OR "DROP" OR "INSERT") AND status="200"