Advisory
On 08.07.2025 a security relevant correction has been released by SAP SE. The manufacturer resolves an issue within ABAP.
SAP Note 3617131 addresses "[CVE-2025-42981] Open Redirect vulnerability in SAP NetWeaver Application Server ABAP" to prevent open redirectcross-site scripting (xss) with a medium risk for exploitation.
A workaround does not exist, according to SAP Security Advisory team. It is advisable to implement the correction as monthly patch process, the team suggests.
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 specification
This note addresses two vulnerabilities in SAP NetWeaver Application Server ABAP: - SAP NetWeaver AS ABAP permits an unauthenticated attacker to inject a malicious URL, which can redirect the user’s browser and potentially enable access to or manipulation of restricted information. - SAP NetWeaver AS ABAP also allows the injection of a malicious publicly accessible link, leading to browser redirection and possible manipulation of session data.Solution
The vulnerable service endpoint and transaction were associated with a test report that did not require exposure via a service interface or transaction code; as a result, both have been removed.
Affected System
The advisory 3617131 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
