A note with CVSS 4.3 for component PS-IS was released by SAP on 10.11.2020. The correction/advisory 2944188 was described with "[CVE-2020-6316] Missing Authorization Check in SAP ERP and SAP S/4 HANA" 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 monthly patch process .
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 specificationSAP ERP and SAP S/4 HANA allows an authenticated user to see cost records to objects to which they have no authorization in PS reporting.
The affected functions have now been enforced to properly check access restrictions.
The advisory 2944188 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
- S4CORE 100 15
- S4CORE 101 21
- S4CORE 102 21
- S4CORE 103 24
- S4CORE 104 17
- SAP_APPL 600 8
- SAP_APPL 602 8
- SAP_APPL 603 8
- SAP_APPL 604 8
- SAP_APPL 605 9
- SAP_APPL 606 7
- SAP_APPL 616 7
- SAP_APPL 617 8
- SAP_APPL 618 10
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The advisories found within the ABEX security advisory are generated and continuously enriched by ABEX and affiliated security consultants, partners, customers of the SecurityBridge security suite, SAP support, and advisory groups.
There is no disclosure of zero-day vulnerabilities. In such case, the platform only provides details on which version or signature updates are available within the SecurityBridge platform in order to monitor or measure the vulnerability
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