CVE-2019-1579 in PAN-OS
Summary
by MITRE
Remote Code Execution in PAN-OS 7.1.18 and earlier, PAN-OS 8.0.11-h1 and earlier, and PAN-OS 8.1.2 and earlier with GlobalProtect Portal or GlobalProtect Gateway Interface enabled may allow an unauthenticated remote attacker to execute arbitrary code.
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Analysis
by VulDB Data Team • 11/04/2025
This vulnerability represents a critical remote code execution flaw in Palo Alto Networks PAN-OS software affecting multiple versions including 7.1.18 and earlier, 8.0.11-h1 and earlier, and 8.1.2 and earlier. The vulnerability specifically impacts devices with GlobalProtect Portal or GlobalProtect Gateway Interface enabled, creating a significant attack surface for unauthenticated remote adversaries. The flaw allows attackers to execute arbitrary code on affected systems without requiring any credentials or authentication, making it particularly dangerous for network security infrastructure.
The technical implementation of this vulnerability stems from improper input validation within the GlobalProtect functionality of PAN-OS. When GlobalProtect Portal or Gateway Interface components are enabled, the system processes incoming requests through vulnerable code paths that fail to properly sanitize user-supplied data. This weakness enables attackers to craft malicious payloads that bypass authentication mechanisms and directly manipulate the underlying system. The vulnerability aligns with CWE-125 Out-of-bounds Read and CWE-79 Cross-site Scripting patterns, as it involves improper handling of input data that can be exploited to execute unintended code sequences. The attack vector operates through the network interface, leveraging the GlobalProtect service to deliver malicious input that triggers the code execution.
From an operational impact perspective, this vulnerability poses severe risks to organizations relying on Palo Alto Networks firewalls for network protection. Attackers who successfully exploit this vulnerability can gain complete control over affected devices, potentially leading to full network compromise, data exfiltration, and lateral movement within the network infrastructure. The unauthenticated nature of the exploit means that attackers do not require any prior access credentials, making detection and prevention particularly challenging. Security operations teams face the additional burden of identifying and mitigating this vulnerability across potentially numerous devices without the ability to rely on authentication-based monitoring systems. The impact extends beyond individual device compromise to potentially undermine the entire network security posture of organizations using affected PAN-OS versions.
Organizations must implement immediate mitigation strategies to address this vulnerability. The primary recommendation involves upgrading to patched versions of PAN-OS software, specifically versions 7.1.19, 8.0.12, and 8.1.3 or later, which contain the necessary security fixes. Network administrators should also consider disabling GlobalProtect Portal or GlobalProtect Gateway Interface functionality if these features are not essential for operations, effectively removing the attack surface until proper patches can be deployed. Additional protective measures include implementing network segmentation to isolate affected devices, monitoring for suspicious network traffic patterns that might indicate exploitation attempts, and deploying intrusion detection systems with signatures specific to this vulnerability. According to ATT&CK framework, this vulnerability maps to T1059 Command and Scripting Interpreter and T1078 Valid Accounts, as it allows for command execution and potentially enables credential theft. Organizations should also review their incident response procedures to ensure preparedness for potential exploitation attempts, as the vulnerability can be exploited automatically by threat actors using automated scanning tools. The remediation process requires careful planning to avoid service disruption while ensuring comprehensive protection across all affected PAN-OS devices in the network infrastructure.