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

Source: https://junglewise.ai/threats/cve-2021-38163-sap-netweaver-unrestricted-file-upload-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-06-09. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2021-38163 · Severity: critical · CVSS 9.9 · Exploited in the wild · Published 2022-06-09

SAP NetWeaver (Visual Composer 7.0 RT) allows an authenticated non-administrative user to upload malicious files over a network. Successful exploitation enables the execution of operating system commands with the privileges of the Java Server process, potentially leading to full system compromise or denial of service.

Technologies: [SAP NetWeaver](https://junglewise.ai/threats/technologies/netweaver). Vendors: [SAP](https://junglewise.ai/threats/vendors/sap).

## Quick answers

**Is CVE-2021-38163 exploited in the wild?** Yes. CVE-2021-38163 is known to be exploited in the wild, first recorded on 9 June 2022. Treat it as urgent.

**How severe is CVE-2021-38163?** Critical severity, with a CVSS score of 9.9, published 9 June 2022.

**Which products and versions are affected?** SAP SE NetWeaver (Visual Composer 7.0 RT) 7.30, 7.31, 7.40, 7.50.

**Is there a fix for CVE-2021-38163?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2021-38163 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2021-38163?** Check whether you run SAP NetWeaver. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- SAP SE NetWeaver (Visual Composer 7.0 RT) 7.30, 7.31, 7.40, 7.50

## Timeline

- 2021-09-14: disclosed: NVD Published Date
- 2022-06-09: kev added: Added to CISA Known Exploited Vulnerabilities Catalog

## Related threats

- [SAP NetWeaver Application Server ABAP memory corruption denial of service](https://junglewise.ai/threats/cve-2026-76973-due-to-a-memory-corruption-vulnerability-in-application-server)
- [SAP NetWeaver ABAP RFC protocol memory corruption](https://junglewise.ai/threats/cve-2026-76966-due-to-improper-rfc-protocol-validation-in-the-sap-kernel-used-by)
- [SAP NetWeaver Internet Graphics Service input validation buffer overflow](https://junglewise.ai/threats/cve-2026-120008-sap-netweaver-internet-graphics-service-does-not-sufficiently)
- [SAP NetWeaver SSRF in ABAP HTTP component](https://junglewise.ai/threats/cve-2026-109811-an-internal-abap-http-component-in-sap-netweaver-and-abap)
- [SAP NetWeaver Internet Graphics Service input validation denial of service](https://junglewise.ai/threats/cve-2026-109807-sap-netweaver-internet-graphics-service-does-not-sufficiently)