SAP takes the security of its vast product portfolio very seriously and thus releases security fixes for
vulnerabilities reported by external researchers and their customers every second Tuesday of the month.
SAP Note 2659604
was released on
27.07.2021 and deals with
"Cross-Site Scripting (XSS) Vulnerability in BSP application CRM_CM" within ABAP.
We advice you to follow the instructions, to resolve
cross-site scripting (xss)
medium potential for exploitation
in component CRM-BF-COM.
According to SAP Security Advisory team a workaround does not exist. It is advisable to implement the correction as monthly patch process.
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
vulnerabilities before they are implemented in production.
Cross-site scripting (XSS) is the name of a class of security vulnerabilities that can occur in web-based
applications. XSS combines
affected web application.
Risk specificationThis note has been re-released with updated 'Correction Instruction Requisites' information. - BSP application CRM_BF_COM does not sufficiently encode user controlled inputs, resulting in Cross-Site Scripting (XSS) vulnerability.
The URL parameters are now properly encoded to prevent a successful XSS attack.
The advisory 2659604 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
- BBPCRM 700 4
- BBPCRM 701 4
- BBPCRM 702 4
- BBPCRM 712 4
- BBPCRM 713 4
- BBPCRM 714 4
- S4CRM 100 3
- S4CRM 200
- SAPSCORE 116 3
- 8.3 [CVE-2021-33703] Cross-Site Scripting (XSS) vulnerability in SAP NetWeaver Enterprise Portal
- 8.3 [CVE-2021-33702] Cross-Site Scripting (XSS) vulnerability in SAP NetWeaver Enterprise Portal
- 6.9 [CVE-2021-33691] Cross-Site Scripting (XSS) vulnerability in SAP NetWeaver Development Infrastructure (Notification Service)
- 6.4 [CVE-2021-27600 ] Cross-Site Scripting (XSS) vulnerability in SAP Manufacturing Execution (System Rules)
- 6.4 [CVE-2021-27615] Cross-Site Scripting (XSS) vulnerability in SAP Manufacturing Execution