On Thursday, April 24, enterprise resource planning company SAP published a CVE (and a day later, an advisory behind login) for CVE-2025-31324, a zero-day vulnerability in NetWeaver Visual Composer that carries a CVSSv3 score of 10.
The vulnerability arises from a missing authorization check in Visual Composer’s Metadata Uploader component that, when successfully exploited, allows unauthenticated attackers to send specially crafted POST requests to the /developmentserver/metadatauploader endpoint, resulting in unrestricted malicious file upload. While the vulnerable component is not installed in NetWeaver’s default configuration, SAP security firm Onapsis notes that it is widely enabled.
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Source: Rapid7
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