A note with CVSS 2.7 for component FI-LA was released by SAP on 14.01.2020. The correction/advisory 2865348 was described with "[CVE-2020-6306] Missing Authorization check in SAP Leasing" and affects the system type ABAP.
A workaround does not exist, according to SAP Security Advisory team. It is advisable to implement the correction as project***.
The vulnerability addressed is missing authorization check within ABAP.
Missing authority checks are still the most common security defect related to authorizations in custom code. Since SAP uses an explicit authorization model, an authority checks must be coded in order to be executed. If an explicit check is not coded, all users have access. This type of vulnerability not only exists in SAP standard it also exists in customer coding. Check your custom developments for vulnerabilities that pose a risk to your systems. SecurityBridge helps detect code vulnerabilities before they are implemented in production.
Risk specificationAn authenticated attacker can execute business function without being properly authorized with business authorizations.
Additional authorization checks are introduced via the Switchable Authorization Framework (SACF) for new authorization objects: F_BKPF_BUK, F_KNA1_BUK, F_BKPF_BED and F_KNA1_BED (Scenario: FI_LA).
The advisory 2865348 describes a problem within an ABAP based systems of a specific version. Affected versions are described below. ABAP software is deployed in various software components and is widely used within the SAP product portfolio.
SAP NetWeaver Application Server (formally known as SAP Web Application Server) is a building block of SAP NetWeaver. It is the foundation for most software products developed by SAP SE. SAP NetWeaver systems exist with Java and/or ABAP stacks. The advisory could be relevant for single and dual-stack ABAP installations.
The advisory is valid for
- SAP_APPL 618 12
- EA-APPL 600 5
- EA-APPL 602 5
- EA-APPL 603 5
- EA-APPL 604 5
- EA-APPL 605 5
- EA-APPL 606 5
- EA-APPL 616 5
- EA-APPL 617 6
- 10.0 [Multiple CVE IDs] Missing Authentication Check in SAP Solution Manager (JAVA stack)
- 10.0 [CVE-2021-37535] Missing Authorization check in SAP NetWeaver Application Server for Java (JMS Connector Service)
- 9.6 [CVE-2020-6320] Improper Access Control in SAP Marketing (Mobile Channel Servlet)
- 9.6 [CVE-2021-21481] Missing Authorization Check in SAP NetWeaver AS JAVA (MigrationService)
- 9.6 [CVE-2021-40501] Missing Authorization check in ABAP Platform Kernel