CVE-2024-22127 in NetWeaver AS Java
Summary
by MITRE • 03/12/2024
SAP NetWeaver Administrator AS Java (Administrator Log Viewer plug-in) - version 7.50, allows an attacker with high privileges to upload potentially dangerous files which leads to command injection vulnerability. This would enable the attacker to run commands which can cause high impact on confidentiality, integrity and availability of the application.
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Analysis
by VulDB Data Team • 02/08/2025
SAP NetWeaver Administrator AS Java presents a critical command injection vulnerability through its Administrator Log Viewer plug-in in version 7.50. This flaw resides in the file upload functionality that lacks proper validation mechanisms, creating an avenue for attackers with high privileges to execute arbitrary commands on the affected system. The vulnerability stems from insufficient input sanitization and validation processes within the upload handler, allowing malicious files to be processed and executed with elevated privileges. The impact extends across all three pillars of the CIA triad, potentially compromising the confidentiality of sensitive data, altering system integrity through unauthorized modifications, and disrupting availability through system compromise or denial of service conditions. This vulnerability aligns with CWE-434 which specifically addresses insecure file upload vulnerabilities, and represents a significant risk in enterprise environments where SAP systems handle critical business operations and sensitive corporate data. The attack vector requires an attacker to already possess high privileges within the system, but once achieved, the command injection capability provides extensive control over the affected application and underlying infrastructure.
The operational impact of this vulnerability manifests through multiple attack scenarios that can escalate from initial compromise to full system takeover. An attacker with access to the Administrator Log Viewer plug-in can upload malicious files that execute commands with the privileges of the application server process. This capability enables data exfiltration, system reconnaissance, privilege escalation to other system components, and potential lateral movement within the network infrastructure. The vulnerability's exploitation directly correlates with ATT&CK technique T1566 which covers spearphishing with embedded execution, and T1059 which addresses command and scripting interpreter usage. The compromised system could become a pivot point for further attacks, allowing adversaries to access other network resources, manipulate business-critical data, or establish persistent access through the elevated privileges. Organizations utilizing this SAP version face significant risk as the command injection allows for complete system compromise without requiring additional authentication mechanisms, making it particularly dangerous in environments where administrative access is limited but still present.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term security hardening measures. Organizations should prioritize applying the vendor-provided patches and updates as soon as they become available, which typically address the file upload validation issues through proper input sanitization and content type verification. Network segmentation and access control measures should be implemented to limit access to the Administrator Log Viewer plug-in to only authorized personnel with legitimate business needs. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other SAP components and ensure proper privilege management. The implementation of web application firewalls and file upload restrictions can provide additional layers of protection against malicious file uploads. Security monitoring should be enhanced to detect unusual file upload patterns and command execution activities, particularly within administrative interfaces. Organizations should also consider implementing principle of least privilege practices, ensuring that administrative access is granted only when necessary and that audit logs are maintained for all administrative activities. Compliance with industry standards such as ISO 27001 and NIST cybersecurity frameworks should be maintained to ensure comprehensive security controls are in place, and regular staff training on secure coding practices and vulnerability awareness should be conducted to prevent social engineering attacks that could lead to privilege escalation.