Denial of service in SAP NetWeaver Application Server for Java

1) Arbitrary file upload

EUVDB-ID: #VU48823

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-26826

CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of file during file upload within the Process Integration Monitoring component. A remote user can upload files to the server and perform a denial of service attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

SAP NetWeaver: 7.31 - 7.50

External links

http://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.