CVE-2024-4995
📋 TL;DR
Wapro ERP Desktop versions before 9.00.0 are vulnerable to MS SQL protocol downgrade attacks, allowing attackers to force unencrypted communication. This exposes sensitive ERP data to interception and modification during transmission. Organizations using affected Wapro ERP Desktop versions are at risk.
💻 Affected Systems
- Wapro ERP Desktop
⚠️ 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
Attackers intercept and modify all SQL traffic between Wapro ERP Desktop and database servers, leading to data theft, financial fraud, or complete system compromise.
Likely Case
Man-in-the-middle attackers capture sensitive business data like financial records, customer information, and credentials from unencrypted SQL communications.
If Mitigated
With proper network segmentation and monitoring, impact is limited to potential data exposure within controlled environments.
🎯 Exploit Status
Exploitation requires network access to intercept or manipulate SQL traffic between client and server.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 9.00.0 or later
Vendor Advisory: https://wapro.pl/
Restart Required: Yes
Instructions:
1. Download Wapro ERP Desktop version 9.00.0 or later from vendor website. 2. Backup current installation and data. 3. Install the updated version. 4. Restart the system. 5. Verify connection to SQL Server uses encrypted protocol.
🔧 Temporary Workarounds
Force SQL Server Encryption
windowsConfigure SQL Server to require encrypted connections, preventing protocol downgrade.
-- In SQL Server Configuration Manager: Enable 'Force Encryption' under SQL Server Network Configuration
Network Segmentation
allIsolate Wapro ERP clients and SQL servers in protected network segments.
🧯 If You Can't Patch
- Implement strict network segmentation between Wapro clients and SQL servers to limit attack surface.
- Deploy network monitoring and intrusion detection for SQL protocol anomalies and unencrypted traffic.
🔍 How to Verify
Check if Vulnerable:
Check Wapro ERP Desktop version in Help > About. If version is below 9.00.0, system is vulnerable.Check Version:
Check version in Wapro ERP Desktop interface under Help > About menu.Verify Fix Applied:
After updating to 9.00.0+, verify SQL connections use encrypted protocol via network monitoring tools like Wireshark.📡 Detection & Monitoring
Log Indicators:
- SQL Server logs showing protocol downgrade attempts
- Failed encrypted connection attempts followed by unencrypted connections
Network Indicators:
- Unencrypted MS SQL protocol traffic (port 1433) from Wapro clients
- SQL protocol negotiation packets indicating downgrade
SIEM Query:
source="network_traffic" dest_port=1433 protocol="TDS" encryption=false