#VU48819 XML External Entity injection in SAP BusinessObjects Business Intelligence suite - CVE-2020-26831

Vulnerability identifier: #VU48819

Vulnerability risk: Medium

CVSSv4.0: 5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-26831

CWE-ID: CWE-611

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SAP BusinessObjects Business Intelligence suite
Server applications / Other server solutions

Vendor: SAP

Description

The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due to insufficient validation of user-supplied XML input within the Crystal Report component. A remote unprivileged user can pass a specially crafted XML code to the affected application and view contents of arbitrary files on the system or initiate requests to external systems.

Successful exploitation of the vulnerability may allow an attacker to view contents of arbitrary file on the server or perform network scanning of internal and external infrastructure.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SAP BusinessObjects Business Intelligence suite: 4.1 - 4.3

---

External links
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=564757079

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.