CVE-2025-0119 in Cortex XDR Broker VM
Summary
by MITRE • 04/11/2025
A command injection vulnerability in the Palo Alto Networks Cortex XDR® Broker VM allows an authenticated user to execute arbitrary OS commands with root privileges on the host operating system running Broker VM.
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Analysis
by VulDB Data Team • 04/11/2025
This vulnerability represents a critical command injection flaw within the Palo Alto Networks Cortex XDR Broker VM component that fundamentally compromises system integrity and privilege separation. The issue arises from insufficient input validation and sanitization mechanisms within the broker virtual machine's command processing pipeline, allowing authenticated users to inject malicious commands that are subsequently executed with elevated root privileges on the underlying host operating system. The vulnerability exists at the intersection of privilege escalation and command execution, creating a pathway for attackers to bypass normal security controls and gain complete administrative control over the host environment.
The technical implementation of this flaw demonstrates a classic command injection vulnerability pattern where user-supplied input is directly incorporated into system command execution contexts without proper sanitization. This type of vulnerability is classified as CWE-77 according to the Common Weakness Enumeration catalog, which specifically addresses command injection flaws where untrusted data is passed to operating system commands. The attacker's ability to execute commands with root privileges indicates a severe privilege escalation issue that violates fundamental security principles of least privilege and defense in depth. The Broker VM environment, designed to facilitate secure communication and data processing, becomes a vector for complete system compromise when authenticated users can leverage this vulnerability.
From an operational impact perspective, this vulnerability creates a significant risk profile for organizations utilizing Palo Alto Networks Cortex XDR solutions, as it provides attackers with the ability to execute arbitrary code at the highest privilege level possible within the affected system. The implications extend beyond immediate command execution to include potential data exfiltration, system reconnaissance, persistence establishment, and further lateral movement within the network infrastructure. Attackers could leverage this vulnerability to install backdoors, modify system configurations, access sensitive data, or establish persistent access points that would be extremely difficult to detect or remove. The root privilege execution capability means that standard security controls such as user access restrictions, file permissions, and application firewalls would be effectively bypassed.
The attack surface for this vulnerability is particularly concerning given that it requires only authenticated access to the Cortex XDR Broker VM, which may be accessible through legitimate administrative interfaces or user accounts with appropriate permissions. This reduces the attack complexity significantly compared to vulnerabilities requiring additional exploitation techniques or physical access. The ATT&CK framework categorizes this type of vulnerability under privilege escalation techniques, specifically targeting the execution of commands with elevated privileges to achieve system compromise. Organizations should implement immediate mitigations including access control reviews, network segmentation, and monitoring for unusual command execution patterns. The vulnerability underscores the importance of proper input validation, principle of least privilege implementation, and regular security assessments of privileged system components to prevent similar issues from occurring in production environments.