CVE-2021-38163: SAP NetWeaver Unrestricted File Upload Vulnerability

High severity, CVSS 8.8. Actively exploited: in CISA KEV since 2022-06-09. EPSS: 36.9% chance of exploitation in the next 30 days.

SAP NetWeaver (Visual Composer 7.0 RT) versions - 7.30, 7.31, 7.40, 7.50, without restriction, an attacker authenticated as a non-administrative user can upload a malicious file over a network and trigger its processing, which is capable of running operating system commands with the privilege of the Java Server process. These commands can be used to read or modify any information on the server or shut the server down making it unavailable.

Affected products

• SAP NetWeaver: version 7.30 only; version 7.31 only; version 7.40 only; version 7.50 only

Published 2021-09-14. Last modified 2026-06-17.