CVE-2020-11853: Micro Focus OBM RCE Vulnerability

CVE-2020-11853 Overview

CVE-2020-11853 is an arbitrary code execution vulnerability affecting multiple Micro Focus enterprise products. This vulnerability allows authenticated attackers to execute arbitrary code on affected systems through network-accessible attack vectors. The vulnerability impacts a wide range of Micro Focus IT operations and management solutions, including Operations Bridge Manager, Universal CMDB, Application Performance Management, Data Center Automation, Hybrid Cloud Management, and Service Management Automation.

Critical Impact

This vulnerability enables authenticated attackers to achieve arbitrary code execution across multiple Micro Focus enterprise products, potentially leading to complete system compromise, data exfiltration, and lateral movement within enterprise environments.

Affected Products

• Micro Focus Operations Bridge Manager (versions 2017.11 through 2020.05, and versions 10.1x through 10.6x)
• Micro Focus Universal CMDB (versions 10.20 through 2020.05)
• Micro Focus Application Performance Management (versions 9.40, 9.50, 9.51 with uCMDB 10.33 CUP 3)
• Micro Focus Data Center Automation (version 2019.11)
• Micro Focus Hybrid Cloud Management (version 2020.05)
• Micro Focus Service Management Automation (versions 2020.02 and 2020.05)
• HP Universal CMDB Foundation (versions 10.20 through 2020.05)

Discovery Timeline

• October 22, 2020 - CVE-2020-11853 published to NVD
• November 21, 2024 - Last updated in NVD database

Technical Details for CVE-2020-11853

Vulnerability Analysis

This arbitrary code execution vulnerability exists within the core components shared across multiple Micro Focus IT operations management products. The vulnerability can be exploited by authenticated users over the network without requiring any user interaction, making it particularly dangerous in enterprise environments where these products are typically deployed for critical IT infrastructure management.

The affected products share common underlying components, specifically related to the Universal CMDB (Configuration Management Database) foundation. This architectural commonality explains why the vulnerability impacts such a broad range of Micro Focus products simultaneously. When exploited, attackers can execute arbitrary code with the privileges of the application, potentially gaining significant access to enterprise infrastructure management systems.

Root Cause

The vulnerability stems from insufficient input validation and security controls within the affected Micro Focus products. While specific technical details have not been fully disclosed, the vulnerability class suggests improper handling of user-supplied data in components accessible to authenticated users, enabling code execution pathways that bypass intended security boundaries.

Attack Vector

The attack can be initiated remotely over the network by authenticated users. The exploitation path requires low privileges and no user interaction, making it suitable for targeted attacks against enterprise IT management infrastructure. Successful exploitation grants the attacker the ability to execute arbitrary code within the context of the vulnerable application, which typically runs with elevated privileges to manage enterprise infrastructure.

Given the nature of the affected products (IT operations management, configuration management databases, and automation platforms), successful exploitation could provide attackers with:

• Access to sensitive configuration data across the enterprise
• Ability to manipulate IT infrastructure configurations
• Potential pivot points for lateral movement within the network
• Control over automated deployment and management processes

Detection Methods for CVE-2020-11853

Indicators of Compromise

• Unusual process execution originating from Micro Focus product directories or services
• Unexpected outbound network connections from Operations Bridge Manager, UCMDB, or related services
• Anomalous user authentication patterns to affected Micro Focus management consoles
• New or modified files within Micro Focus application directories outside of normal update windows

Detection Strategies

• Monitor application logs from affected Micro Focus products for unusual authentication events and command execution patterns
• Implement network traffic analysis to detect anomalous connections to/from Micro Focus management servers
• Deploy endpoint detection and response (EDR) solutions to identify suspicious process behavior associated with affected services
• Establish baseline behavior for Micro Focus applications and alert on deviations

Monitoring Recommendations

• Enable verbose logging on all affected Micro Focus products and forward logs to a centralized SIEM
• Configure alerts for any code execution or process spawning events from Micro Focus application contexts
• Monitor for reconnaissance activities targeting Micro Focus management interfaces
• Track authentication attempts and privilege usage patterns for accounts with access to affected systems

How to Mitigate CVE-2020-11853

Immediate Actions Required

• Apply vendor-provided security patches immediately to all affected Micro Focus products
• Restrict network access to affected management interfaces using firewall rules and network segmentation
• Audit user accounts with access to affected products and enforce least-privilege principles
• Enable enhanced logging and monitoring on all affected systems until patches are applied

Patch Information

Micro Focus has released security advisories and patches addressing this vulnerability. Organizations should consult the official Micro Focus software support documentation for product-specific patch information:

• Software Support Document KM03747657
• Software Support Document KM03747658
• Software Support Document KM03747854
• Software Support Document KM03747948
• Software Support Document KM03747949
• Software Support Document KM03747950
• Software Support Document KM03749879

Additional technical details are available in the Packet Storm RCE Advisory for UCMDB and Packet Storm RCE Advisory for Operations Bridge Manager.

Workarounds

• Isolate affected Micro Focus products on dedicated network segments with strict access controls
• Implement application-layer firewalls or web application firewalls (WAF) to filter malicious requests to management interfaces
• Disable unnecessary services and features within affected products to reduce attack surface
• Enforce multi-factor authentication for all accounts accessing affected management platforms
• Consider deploying network-level intrusion prevention systems (IPS) with signatures for known exploitation attempts