CVE-2020-4459
📋 TL;DR
IBM Security Verify Access 10.7 contains hard-coded credentials that could allow attackers to bypass authentication, access sensitive data, or compromise the system. This affects all deployments of IBM Security Verify Access 10.7. The CVSS 9.8 score indicates critical severity.
💻 Affected Systems
- IBM Security Verify Access
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing attackers to gain administrative access, steal all authentication data, and pivot to other systems in the network.
Likely Case
Unauthorized access to sensitive authentication data, user credentials, and system configuration leading to identity theft and privilege escalation.
If Mitigated
Limited impact if system is isolated behind multiple security layers, but hard-coded credentials still pose significant risk.
🎯 Exploit Status
Hard-coded credentials typically require minimal technical skill to exploit once discovered. No authentication needed to use the credentials.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Apply fix pack 10.7.0.0-ISS-ISVA-FP0001 or later
Vendor Advisory: https://www.ibm.com/support/pages/node/6255614
Restart Required: Yes
Instructions:
1. Download the fix pack from IBM Fix Central. 2. Stop all IBM Security Verify Access services. 3. Apply the fix pack according to IBM documentation. 4. Restart all services. 5. Verify the fix is applied.
🔧 Temporary Workarounds
Network Isolation
allRestrict network access to IBM Security Verify Access systems to only necessary IP addresses and services.
Credential Rotation
allIf possible, change any credentials that might be derived from hard-coded values, though this may not fully mitigate the vulnerability.
🧯 If You Can't Patch
- Isolate the system in a separate network segment with strict firewall rules
- Implement additional authentication layers and monitor for unauthorized access attempts
🔍 How to Verify
Check if Vulnerable:
Check if running IBM Security Verify Access version 10.7 without the fix pack applied.Check Version:
Check version through IBM Security Verify Access administrative interface or installation logs.Verify Fix Applied:
Verify that fix pack 10.7.0.0-ISS-ISVA-FP0001 or later is installed and check version in administrative console.📡 Detection & Monitoring
Log Indicators:
- Unauthorized authentication attempts using default credentials
- Unexpected administrative access patterns
- Configuration changes from unknown sources
Network Indicators:
- Unusual outbound connections from IBM Security Verify Access systems
- Authentication traffic from unexpected sources
SIEM Query:
source="IBM_Verify_Access" AND (event_type="authentication" AND result="success" AND user="default" OR user="admin")