CVE-2025-0127 in Cloud NGFW
Summary
by MITRE • 04/11/2025
A command injection vulnerability in Palo Alto Networks PAN-OS® software enables an authenticated administrator to bypass system restrictions and run arbitrary commands as a root user. This issue is only applicable to PAN-OS VM-Series. This issue does not affect firewalls that are already deployed.
Cloud NGFW and Prisma® Access are not affected by this vulnerability.
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Analysis
by VulDB Data Team • 04/11/2025
This command injection vulnerability in Palo Alto Networks PAN-OS software represents a critical security flaw that directly impacts the integrity and confidentiality of network infrastructure. The vulnerability specifically affects the VM-Series virtual firewalls, creating a pathway for authenticated administrators to escalate privileges and execute arbitrary commands with root-level access. This represents a significant departure from typical network security controls where administrative access should be carefully managed and restricted. The flaw allows for privilege escalation that bypasses normal system restrictions, effectively undermining the security model that separates different levels of administrative access within the PAN-OS environment. Such vulnerabilities are particularly dangerous because they exploit legitimate administrative functions to gain unauthorized system-level access.
The technical nature of this vulnerability falls under the CWE-77 category, which specifically addresses command injection flaws in software systems. This classification indicates that the vulnerability exists due to insufficient input validation or sanitization of user-supplied data that gets directly incorporated into system commands without proper escaping or encoding. The exploitation mechanism likely involves the manipulation of parameters or input fields within the PAN-OS administrative interface that are then passed to underlying system commands. This type of vulnerability is particularly insidious because it leverages the legitimate administrative functions of the system to execute malicious payloads, making detection more challenging and the attack more effective. The root-level execution capability means that attackers can potentially modify system files, install backdoors, or extract sensitive information from the network infrastructure.
The operational impact of this vulnerability extends beyond simple privilege escalation to encompass potential complete system compromise and data exfiltration. When an authenticated administrator can execute commands as root, they essentially have unrestricted access to the underlying operating system, network configurations, and potentially connected systems. This vulnerability directly impacts the principle of least privilege that is fundamental to secure network administration practices. Organizations relying on VM-Series firewalls face significant risk of unauthorized access to their network infrastructure, potentially leading to data breaches, service disruption, and compliance violations. The specific restriction to VM-Series deployments means that hardware firewalls and other PAN-OS configurations remain unaffected, but this targeted nature does not diminish the severity of impact for affected organizations. Network security teams must consider that this vulnerability could enable attackers to establish persistent access points within the network infrastructure.
Mitigation strategies for this vulnerability should focus on immediate patch management and access control reinforcement. Organizations must prioritize applying the vendor-provided security updates to address the command injection flaw in their VM-Series deployments. Beyond patching, implementing additional administrative controls such as role-based access restrictions, multi-factor authentication for administrative accounts, and regular monitoring of administrative activities can help reduce the risk of exploitation. The ATT&CK framework categorizes this type of vulnerability under privilege escalation techniques, specifically targeting the use of legitimate administrative tools to gain unauthorized system access. Security monitoring should include detection of unusual command execution patterns and administrative activities that deviate from normal operational procedures. Organizations should also consider implementing network segmentation and least privilege principles to limit the potential damage if an attacker successfully exploits this vulnerability. The vulnerability's specific targeting of VM-Series deployments means that affected organizations must also evaluate their overall cloud security posture and ensure proper isolation of critical network infrastructure components.