CVE-2020-4409
📋 TL;DR
CVE-2020-4409 is a tabnabbing vulnerability in IBM Maximo Asset Management that allows attackers to redirect users to malicious websites that appear trusted. This could lead to credential theft or further attacks. Affects Maximo Asset Management 7.6.0 and 7.6.1.
💻 Affected Systems
- IBM Maximo Asset Management
📦 What is this software?
Maximo Asset Configuration Manager by Ibm
View all CVEs affecting Maximo Asset Configuration Manager →
Maximo Asset Configuration Manager by Ibm
View all CVEs affecting Maximo Asset Configuration Manager →
Maximo Asset Configuration Manager by Ibm
View all CVEs affecting Maximo Asset Configuration Manager →
Maximo Asset Management Scheduler Plus by Ibm
View all CVEs affecting Maximo Asset Management Scheduler Plus →
Maximo Asset Management Scheduler Plus by Ibm
View all CVEs affecting Maximo Asset Management Scheduler Plus →
Maximo Asset Management Scheduler Plus by Ibm
View all CVEs affecting Maximo Asset Management Scheduler Plus →
⚠️ Risk & Real-World Impact
Worst Case
Attackers steal administrator credentials, gain full system access, and compromise sensitive asset management data.
Likely Case
Users are tricked into entering credentials on fake login pages, leading to account compromise.
If Mitigated
Users recognize phishing attempts and don't enter credentials, limiting impact to failed login attempts.
🎯 Exploit Status
Exploitation requires social engineering to lure users to malicious sites.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Apply Interim Fix 7.6.1.2 or later
Vendor Advisory: https://www.ibm.com/support/pages/node/6333091
Restart Required: Yes
Instructions:
1. Download Interim Fix 7.6.1.2 from IBM Fix Central. 2. Apply the fix following IBM Maximo patching procedures. 3. Restart application servers. 4. Verify fix application.
🔧 Temporary Workarounds
User Education and Awareness
allTrain users to recognize phishing attempts and avoid clicking suspicious links.
Browser Security Settings
allConfigure browsers to prevent tabnabbing behavior and restrict pop-ups.
🧯 If You Can't Patch
- Implement web application firewall rules to detect and block tabnabbing attempts
- Use network segmentation to isolate Maximo systems from internet access
🔍 How to Verify
Check if Vulnerable:
Check Maximo version via Admin Console or by examining installed components for version 7.6.0 or 7.6.1 without Interim Fix 7.6.1.2.
Check Version:
Check Maximo version in Admin Console under System Information or via database query on MAXIMO database.
Verify Fix Applied:
Verify Interim Fix 7.6.1.2 is applied in Maximo Admin Console or by checking fix installation logs.
📡 Detection & Monitoring
Log Indicators:
- Unusual redirect patterns in web server logs
- Multiple failed login attempts from new locations
Network Indicators:
- Suspicious outbound connections to unknown domains
- Unusual redirect traffic patterns
SIEM Query:
source="maximo_web_logs" AND (url_contains="redirect" OR url_contains="phishing")