CVE-2024-33005 in NetWeaver Application Server
Summary
by MITRE • 08/13/2024
Due to the missing authorization checks in the local systems, the admin users of SAP Web Dispatcher, SAP NetWeaver Application Server (ABAP and Java), and SAP Content Server can impersonate other users and may perform some unintended actions. This could lead to a low impact on confidentiality and a high impact on the integrity and availability of the applications.
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Analysis
by VulDB Data Team • 09/12/2024
The vulnerability identified as CVE-2024-33005 represents a critical authorization bypass flaw affecting multiple SAP product lines including Web Dispatcher, NetWeaver Application Server in both ABAP and Java environments, and SAP Content Server. This weakness stems from insufficient validation of user permissions within the local system components, creating a pathway for authenticated administrative users to escalate their privileges and assume the identities of other users within the system. The vulnerability specifically targets the administrative interfaces of these systems, where proper access controls should prevent unauthorized impersonation and privilege escalation. The flaw allows attackers with administrative credentials to manipulate system behavior beyond their intended authorization boundaries, potentially compromising the integrity and availability of critical business applications.
The technical implementation of this vulnerability demonstrates a failure in the authorization framework where administrative users can exploit missing validation checks to impersonate other users within the SAP ecosystem. This type of flaw typically manifests when the system fails to properly verify user identities or authorization levels before executing privileged operations. The vulnerability exists in the core authentication and authorization mechanisms that should enforce strict access controls between different user roles and system functions. According to CWE classification, this vulnerability aligns with CWE-285: Improper Authorization, which specifically addresses situations where systems fail to properly enforce access controls for privileged operations. The flaw essentially allows for privilege escalation through user impersonation, which can result in unauthorized modifications to system configurations, data manipulation, and potential service disruption.
The operational impact of CVE-2024-33005 ranges from low confidentiality risk to high integrity and availability risks, creating a significant threat landscape for organizations relying on SAP infrastructure. While the initial compromise may not directly expose sensitive data, the ability to impersonate users opens pathways for data corruption, system configuration changes, and denial of service conditions. Attackers could leverage this vulnerability to modify critical system parameters, alter application data, or disrupt service availability through unauthorized administrative actions. The high impact on integrity stems from the potential for unauthorized modifications to system configurations and business data, while availability risks arise from the possibility of service disruption through malicious administrative operations. Organizations utilizing SAP systems face potential business continuity impacts as this vulnerability could enable attackers to perform unauthorized operations that compromise the reliability of their mission-critical applications.
Organizations should implement immediate mitigations including applying the latest SAP security patches and updates to address the authorization bypass vulnerability. Security administrators must conduct comprehensive access reviews to ensure that administrative privileges are properly restricted and that only authorized personnel have access to critical system functions. Network segmentation should be implemented to limit access to SAP administrative interfaces, and additional monitoring should be deployed to detect unauthorized impersonation attempts. According to ATT&CK framework, this vulnerability maps to T1078: Valid Accounts and T1566: Phishing, as attackers may use compromised administrative credentials to exploit this weakness. Organizations should also consider implementing privileged access management solutions and regular security assessments to identify similar authorization gaps in their SAP environments. The vulnerability highlights the importance of maintaining proper access control mechanisms and conducting regular security audits of administrative interfaces to prevent unauthorized privilege escalation.