CVE-2024-48847

8.2 HIGH

📋 TL;DR

This vulnerability allows attackers to bypass MD5 checksum validation in ABB industrial control systems, potentially enabling malicious code execution or unauthorized modifications. It affects ABB ASPECT Enterprise, NEXUS Series, and MATRIX Series version 3.08.01 used in industrial environments.

💻 Affected Systems

Products:
  • ABB ASPECT - Enterprise
  • NEXUS Series
  • MATRIX Series
Versions: 3.08.01
Operating Systems: Not specified in advisory
Default Config Vulnerable: ⚠️ Yes
Notes: Affects specific ABB industrial control system products at version 3.08.01

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete system compromise allowing attackers to execute arbitrary code, manipulate industrial processes, or disrupt critical operations.

🟠

Likely Case

Unauthorized software modifications, firmware tampering, or installation of malicious components through checksum bypass.

🟢

If Mitigated

Limited impact if proper network segmentation and integrity monitoring are implemented.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: HIGH

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Requires understanding of MD5 collision attacks and access to affected systems

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Not specified in provided reference

Vendor Advisory: https://search.abb.com/library/Download.aspx?DocumentID=9AKK108469A7497&LanguageCode=en&DocumentPartId=&Action=Launch

Restart Required: Yes

Instructions:

1. Review ABB advisory 9AKK108469A7497
2. Apply vendor-provided patches
3. Restart affected systems
4. Verify checksum validation is functioning correctly

🔧 Temporary Workarounds

Network Segmentation

all

Isolate affected systems from untrusted networks

Integrity Monitoring

all

Implement file integrity monitoring for critical system files

🧯 If You Can't Patch

  • Implement strict network access controls to limit exposure
  • Deploy application whitelisting to prevent unauthorized execution

🔍 How to Verify

Check if Vulnerable:

Check system version against affected version 3.08.01

Check Version:

Check product documentation for version verification method

Verify Fix Applied:

Verify patch installation and test MD5 validation with known test files

📡 Detection & Monitoring

Log Indicators:

  • Unexpected checksum validation failures
  • Unauthorized file modifications

Network Indicators:

  • Unusual network traffic to/from industrial control systems

SIEM Query:

source="industrial_system" AND (event="checksum_failure" OR event="unauthorized_modification")

🔗 References

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