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 2985094
was released on
10.11.2020 and deals with
"[CVE-2020-26817] Improper input validation in Visual Enterprise Viewer" within Visual Enterprise.
We advice you to follow the instructions, to resolve
denial of service (dos)
medium potential for exploitation
in component CA-VE-VEV.
According to SAP Security Advisory team a workaround does not exist. It is advisable to implement the correction as part of maintenance.
Denial of Service (DoS) attacks that take a system offline may lead to significant cost for the company, studies quantify the costs in average between 4 and 5 millions dollars. Business continuity requires SAP systems staying online. The CVSS scores or vulnerability descriptions are not enough to represent how a simple bug can lead to a significant loss for companies.
Risk specificationSAP 3D Visual Enterprise Viewer allows an authenticated attacker to crash the application by opening a specially crafted file, resulting in an denial of service.
The application now properly validated the input files, preventing this type of attack.
The advisory is valid for
ABEX takes the security of SAP products very seriously. We very much encourage the responsible disclosure of security vulnerabilities. If you have detected a vulnerability in one of the SAP software products – either in the latest or in a former product version follow the guidelines and processes in accordance with the SAP portal page “Report a Security Vulnerability to SAP”.
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
In accordance with SAP guidelines, ABEX only discloses issues where the fixing security note has been released at least three months ago. 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.