Hot Note
Affected system
Java
CVSS
9.8
Component
XAP-EM
Patch Day
2021-10
Released on
2021/10/12
SAP Note
3101406
Workaround
No
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Advisory

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 3101406 was released on 12.10.2021 and deals with "Potential XML External Entity Injection Vulnerability in SAP Environmental Compliance" within Java. We advice you to follow the instructions, to resolve external entity tunneling (xxe) with a hot news potential for exploitation in component XAP-EM.

According to SAP Security Advisory team a workaround does not exist. It is advisable to implement the correction as part of maintenance.

Risk specification

Functionality Data Import from Excel Template in SAP Environmental Compliance 3.0 uses open-source software component versions having vulnerabilities CVE-2020-10683, BDSA-2017-0180, CVE-2021-23926. Consequently, this functionality is potentially at risk of XML External Entity Injection attack.

Solution

Two open-source software component versions are replaced by secure versions. Additionally, a new optional API no longer uses the vulnerable open-source software component.

Affected System

SAP Netweaver Application Server Java is part of the SAP NetWeaver Application Platform. It provides the complete infrastructure for deploying and running Java applications.

The advisory is valid for

  • TDAG_ECS_MODULES 300
  • TDAG_ECS_SERVICES 300
  • TDAG_XEM_MODULES 300

 

 

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In accordance with SAP guidelines, SecurityBridge only discloses issues where the fixing security note has been released. The vulnerability platform makes no references to available exploits or Proof of Concepts (PoC). Advisories and vulnerabilities will always mention the fixing security note or hints to the corresponding SAP documentation.

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