CVE-2020-6306 in Leasing
Summary
by MITRE
Missing authorization check in a transaction within SAP Leasing (update provided in SAP_APPL 6.18, EA-APPL 6.0, 6.02, 6.03, 6.04, 6.05, 6.06, 6.16 and 6.17).
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 03/21/2024
SAP Leasing is a specialized financial application designed for lease management and accounting operations within enterprise environments. This vulnerability exists within the transaction processing functionality of the SAP Leasing module where proper authorization controls have been omitted. The missing authorization check represents a critical security flaw that allows unauthorized users to perform privileged operations without proper verification of their access rights. The vulnerability specifically affects versions of SAP Leasing that have not received the applicable security patches, with the update being provided through SAP_APPL 6.18 and various EA-APPL versions ranging from 6.0 through 6.17.
The technical flaw manifests as an insufficient authorization validation mechanism within the transaction processing flow of the SAP Leasing application. When users execute specific transactions within the system, the application fails to verify whether the requesting user possesses the appropriate authorization levels required to perform the operation. This authorization bypass vulnerability can be exploited by malicious actors who may have gained access to the system through other means or who have obtained credentials from legitimate users. The vulnerability falls under the category of authorization-related flaws that are classified as CWE-285, which specifically addresses insufficient authorization checks in software systems.
The operational impact of this vulnerability is significant for organizations utilizing SAP Leasing, as it creates potential pathways for unauthorized financial transactions and data manipulation. Attackers could exploit this weakness to modify lease agreements, alter payment terms, or access sensitive financial information without proper authorization. The vulnerability particularly affects financial integrity and regulatory compliance within organizations, as it could enable fraudulent activities that bypass normal approval processes and audit trails. Organizations may face substantial financial losses, regulatory penalties, and reputational damage if this vulnerability is exploited successfully.
Mitigation strategies for this vulnerability primarily involve applying the recommended security patches provided by SAP. Organizations should immediately implement the updates for SAP_APPL 6.18 and the corresponding EA-APPL versions mentioned in the advisory. Additionally, system administrators should conduct thorough access reviews and ensure that proper role-based access controls are implemented within the SAP environment. The vulnerability aligns with ATT&CK technique T1078 which covers valid accounts and privilege escalation through unauthorized access to systems. Organizations should also consider implementing additional monitoring mechanisms to detect unusual transaction patterns that might indicate exploitation attempts. Regular security assessments and penetration testing should be conducted to identify similar authorization gaps within the broader SAP ecosystem and other enterprise applications.