CVE-2021-38125
📋 TL;DR
Unauthenticated attackers can execute arbitrary code on vulnerable Micro Focus Operations Bridge containerized deployments. This affects versions 2021.05, 2021.08, and newer versions if upgraded from those vulnerable base versions.
💻 Affected Systems
- Micro Focus Operations Bridge containerized
📦 What is this software?
Operations Bridge by Microfocus
Operations Bridge by Microfocus
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing attackers to install malware, steal data, pivot to other systems, or disrupt operations.
Likely Case
Attackers gain initial foothold for ransomware deployment, data exfiltration, or cryptocurrency mining operations.
If Mitigated
Attack prevented through network segmentation and proper patching, with minimal to no impact.
🎯 Exploit Status
Unauthenticated remote code execution typically indicates straightforward exploitation once details are known.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Apply latest patches from Micro Focus
Vendor Advisory: https://portal.microfocus.com/s/article/KM000005303?language=en_US
Restart Required: Yes
Instructions:
1. Review Micro Focus advisory KM000005303
2. Apply latest patches from Micro Focus
3. Restart affected containers
4. Verify patch application
🔧 Temporary Workarounds
Network Segmentation
allRestrict network access to Operations Bridge containers
Container Isolation
linuxRun containers with minimal privileges and network access
docker run --read-only --cap-drop=ALL --security-opt=no-new-privileges
🧯 If You Can't Patch
- Isolate affected systems from internet and sensitive networks
- Implement strict network access controls and monitor for exploitation attempts
🔍 How to Verify
Check if Vulnerable:
Check Operations Bridge version and upgrade history. If running 2021.05, 2021.08, or upgraded from those versions, assume vulnerable.Check Version:
Check container image tags and deployment manifests for version informationVerify Fix Applied:
Verify patch application through version check and test for vulnerability using authorized security testing.📡 Detection & Monitoring
Log Indicators:
- Unusual process execution in containers
- Unexpected network connections from Operations Bridge containers
- Authentication bypass attempts
Network Indicators:
- Unusual outbound connections from Operations Bridge containers
- Exploit traffic patterns
SIEM Query:
source="operations-bridge" AND (process_execution OR network_connection) WHERE user="unauthenticated"