CVE-2020-4695
📋 TL;DR
IBM API Connect V10 uses unencrypted database replication traffic, allowing attackers to intercept and view sensitive data. This affects organizations using IBM API Connect V10 for API management. The vulnerability exposes database contents during replication between components.
💻 Affected Systems
- IBM API Connect
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete exposure of all database contents including API keys, credentials, configuration data, and business information to network attackers.
Likely Case
Exposure of sensitive API management data, potentially including authentication tokens and configuration secrets.
If Mitigated
No data exposure if replication traffic is encrypted or isolated from attackers.
🎯 Exploit Status
Exploitation requires network access to replication traffic but no authentication. Standard network sniffing tools can capture unencrypted data.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Apply fix as per IBM security bulletin
Vendor Advisory: https://www.ibm.com/support/pages/node/6426707
Restart Required: Yes
Instructions:
1. Review IBM security bulletin. 2. Apply recommended fix for IBM API Connect V10. 3. Restart affected services. 4. Verify encryption is enabled for database replication.
🔧 Temporary Workarounds
Enable TLS for database replication
allConfigure IBM API Connect to use encrypted communication for database replication
Refer to IBM documentation for TLS configuration specific to your deployment
Network segmentation
allIsolate database replication traffic to protected network segments
Configure firewall rules to restrict access to replication ports
Use VLANs or private networks for replication traffic
🧯 If You Can't Patch
- Implement network encryption (IPsec/VPN) for all database replication traffic
- Restrict network access to replication endpoints using firewalls and network segmentation
🔍 How to Verify
Check if Vulnerable:
Check if database replication traffic is unencrypted using network monitoring tools or review IBM API Connect configurationCheck Version:
apic version (IBM API Connect command)Verify Fix Applied:
Verify database replication traffic is encrypted using network packet inspection or check configuration confirms encryption is enabled📡 Detection & Monitoring
Log Indicators:
- Database replication errors
- Configuration change logs related to encryption
Network Indicators:
- Unencrypted database protocol traffic on replication ports
- Unexpected network connections to replication endpoints
SIEM Query:
source="network_traffic" protocol="unencrypted_database" dest_port="replication_port"