CVE-2020-6199 in ERP
Summary
by MITRE
The view FIMENAV_COMPCERT in SAP ERP (MENA Certificate Management), EAPPGLO version 607, SAP_FIN versions- 618, 730 and SAP S/4HANA (MENA Certificate Management), S4CORE versions- 100, 101, 102, 103, 104; does not have any authorization check to it due to which an attacker without an authorization group can maintain any company certificate, leading to Missing Authorization Check.
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Analysis
by VulDB Data Team • 04/11/2024
The vulnerability identified as CVE-2020-6199 resides within SAP ERP systems and SAP S/4HANA platforms, specifically affecting the FIMENAV_COMPCERT view within the MENA Certificate Management module. This critical flaw manifests in the absence of proper authorization controls, creating a significant security gap that allows unauthorized users to manipulate company certificate data without proper authentication or authorization. The vulnerability impacts multiple SAP product versions including EAPPGLO version 607, SAP_FIN versions 618, 730, and S4CORE versions 100 through 104, indicating a widespread issue across various SAP deployment environments. The technical nature of this vulnerability aligns with CWE-284, which describes improper access control mechanisms where applications fail to properly enforce authorization checks.
The operational impact of this missing authorization check represents a severe risk to enterprise security infrastructure, particularly within financial and certificate management systems where data integrity and access control are paramount. Attackers can exploit this weakness to modify company certificates without possessing the necessary authorization group, potentially leading to unauthorized certificate issuance, modification of existing certificates, or complete certificate management control. This vulnerability directly violates fundamental security principles established in the SAP security framework and creates opportunities for privilege escalation attacks. The absence of authorization validation in the FIMENAV_COMPCERT view enables malicious actors to bypass normal access controls and perform unauthorized certificate management operations, which could compromise the entire certificate lifecycle management process.
Organizations utilizing affected SAP systems face significant operational risks including potential financial fraud, unauthorized system modifications, and compromised certificate trust relationships. The vulnerability creates a pathway for attackers to gain unauthorized access to sensitive certificate management functions, potentially enabling them to issue fraudulent certificates or alter existing ones to gain unauthorized system access. This weakness particularly affects the integrity of the certificate management process, as attackers can manipulate company certificates without proper authorization. The attack surface is further expanded by the fact that this vulnerability affects multiple SAP versions and product lines, making it a widespread concern for enterprise security teams. According to ATT&CK framework, this vulnerability maps to T1078 (Valid Accounts) and T1548.001 (Abuse Elevation Control Mechanism), as it allows unauthorized access through the bypass of authorization controls. Organizations should immediately implement compensating controls such as network segmentation, enhanced monitoring of certificate management activities, and regular access reviews to mitigate this risk. The recommended remediation includes applying the appropriate SAP security patches and implementing additional authorization checks to ensure that only authorized users can access the FIMENAV_COMPCERT view. Security teams should also conduct thorough vulnerability assessments to identify any other similar authorization gaps within their SAP environments and establish robust monitoring procedures to detect unauthorized certificate management activities.