Exploited! SAP NetWeaver Visual Composer Unauthenticated File-Upload Vulnerability (CVE-2025-31324)
SAP has released an out-of-band patch for a critical unrestricted file-upload flaw, CVE-2025-31324, in the NetWeaver Visual Composer “Metadata Uploader.” A missing authorization check allows unauthenticated attackers to upload arbitrary files (e.g., JSP, WAR) and instantly execute code on the SAP Java stack. If left unpatched, the weakness can expose sensitive ERP data and disrupt core business workflows across finance, HR, and manufacturing systems. In this article.