CVE-2020-4409

8.2 HIGH

📋 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

Products:
  • IBM Maximo Asset Management
Versions: 7.6.0 through 7.6.1
Operating Systems: All supported platforms
Default Config Vulnerable: ⚠️ Yes
Notes: Requires user interaction - victim must visit a malicious website while authenticated to Maximo.

📦 What is this software?

⚠️ 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.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: LIKELY
Unauthenticated Exploit: ✅ No
Complexity: LOW

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

all

Train users to recognize phishing attempts and avoid clicking suspicious links.

Browser Security Settings

all

Configure 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")

🔗 References

📤 Share & Export