CVE-2020-11854

9.8 CRITICAL

📋 TL;DR

This CVE describes a critical remote code execution vulnerability in Micro Focus Operation Bridge Manager, Operations Bridge (containerized), and Application Performance Management products. Attackers can exploit this vulnerability to execute arbitrary code on affected systems, potentially gaining full control. Organizations running these specific Micro Focus products are at risk.

💻 Affected Systems

Products:
  • Operation Bridge Manager
  • Operations Bridge (containerized)
  • Application Performance Management
Versions: Operation Bridge Manager: 2020.05, 2019.11, 2019.05, 2018.11, 2018.05, 10.63, 10.62, 10.61, 10.60, 10.12, 10.11, 10.10 and all earlier versions. Operations Bridge (containerized): 2020.05, 2019.08, 2019.05, 2018.11, 2018.08, 2018.05, 2018.02, 2017.11. Application Performance Management: 9.51, 9.50, 9.40 with uCMDB 10.33 CUP 3.
Operating Systems: Not specified in CVE
Default Config Vulnerable: ⚠️ Yes
Notes: Affects multiple product lines with numerous vulnerable versions spanning several years.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete system compromise allowing attackers to execute arbitrary code, steal sensitive data, deploy ransomware, pivot to other systems, and maintain persistent access.

🟠

Likely Case

Remote code execution leading to data exfiltration, installation of backdoors, or deployment of cryptocurrency miners on vulnerable systems.

🟢

If Mitigated

Limited impact due to network segmentation, strict access controls, and monitoring that detects exploitation attempts before successful compromise.

🌐 Internet-Facing: HIGH
🏢 Internal Only: HIGH

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Public exploit code exists (Packet Storm reference), CVSS 9.8 indicates critical severity with low attack complexity, and ZDI advisory confirms remote exploitation.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Check vendor advisories for specific patched versions

Vendor Advisory: https://softwaresupport.softwaregrp.com/doc/KM03747657

Restart Required: Yes

Instructions:

1. Review Micro Focus security advisories KM03747657, KM03747658, KM03747854. 2. Identify affected products and versions. 3. Apply vendor-recommended patches or upgrades. 4. Restart affected services/systems. 5. Verify patch installation.

🔧 Temporary Workarounds

Network Segmentation

all

Restrict network access to vulnerable systems using firewall rules to limit exposure.

Access Control

all

Implement strict authentication and authorization controls to limit who can access vulnerable interfaces.

🧯 If You Can't Patch

  • Isolate vulnerable systems from internet and restrict internal network access
  • Implement application-level firewalls and intrusion detection systems to monitor for exploitation attempts

🔍 How to Verify

Check if Vulnerable:

Check installed version against affected versions list in CVE description

Check Version:

Product-specific commands vary; consult Micro Focus documentation for version checking

Verify Fix Applied:

Verify installed version is not in affected versions list and check patch logs

📡 Detection & Monitoring

Log Indicators:

  • Unusual process execution, unexpected network connections from Micro Focus services, authentication anomalies

Network Indicators:

  • Suspicious traffic patterns to/from Micro Focus product ports, unexpected outbound connections

SIEM Query:

Example: (source_ip IN [micro_focus_servers] AND (process_name NOT IN [expected_processes] OR destination_ip NOT IN [allowed_destinations]))

🔗 References

📤 Share & Export