#VU48823 Arbitrary file upload in SAP NetWeaver - CVE-2020-26826

Vulnerability identifier: #VU48823

Vulnerability risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-26826

CWE-ID: CWE-434

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SAP NetWeaver
Server applications / Application servers

Vendor: SAP

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

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

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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.