Arbitrary file upload in SAP NetWeaver Visual Composer Metadata Uploader

1) Arbitrary file upload

EUVDB-ID: #VU107961

Risk: Critical

CVSSv4.0: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red]

CVE-ID: CVE-2025-31324

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload in Metadata Uploader within the Visual Composer development server. A remote non-authenticated attacker can upload a malicious file and execute it on the server.

Note, the vulnerability is being actively exploited in the wild.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

SAP NetWeaver: 7.50

CPE2.3

• cpe:2.3:a:sap:sap_netweaver:7.50:*:*:*:*:*:*:*

External links

https://me.sap.com/notes/3594142
https://support.sap.com/en/my-support/knowledge-base/security-notes-news/april-2025.html
https://reliaquest.com/blog/threat-spotlight-reliaquest-uncovers-vulnerability-behind-sap-netweaver-compromise/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.