Skip to content
EXYS
Back to the CVEs

CVE-2021-38163

8.8, high Known exploited

SAP NetWeaver Unrestricted File Upload Vulnerability

NVD (opens in a new tab) CVE.org (opens in a new tab) CISA KEV catalogue (opens in a new tab)
CVSS
8.8, high high CVSS v3.1
EPSS, next 30 days
37% higher than 98.4% of scored CVEs
Exploitation
Confirmed in the wild
Published
14 Sept 20215 years ago

Known exploited

CISA added this to the Known Exploited Vulnerabilities Catalog on 9 Jun 2022. US federal agencies had to remediate by 30 Jun 2022, a deadline that has passed.

Required action. Apply updates per vendor instructions.

Description

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.

Details

Vendor
SAP
Product
SAP NetWeaver (Visual Composer 7.0 RT)
Weakness
CWE-22 (opens in a new tab)
Status
Analyzed
Updated
17 Jun 2026
Assigner
cna@sap.com

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References 3

Advisories 1

Other references 2

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other SAP CVEs

Every SAP CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2025-42999 SAP NetWeaver Deserialization Vulnerability KEV EPSS 13% 9.1, critical
  • CVE-2025-31324 SAP NetWeaver Unrestricted File Upload Vulnerability KEV EPSS 99% 9.8, critical
  • CVE-2022-22536 SAP Multiple Products HTTP Request Smuggling Vulnerability KEV EPSS 98% 10, critical
  • CVE-2020-6287 SAP NetWeaver Missing Authentication for Critical Function Vulnerability KEV EPSS 95% 10, critical
  • CVE-2020-6207 SAP Solution Manager Missing Authentication for Critical Function Vulnerability KEV EPSS 98% 9.8, critical
  • CVE-2019-0344 SAP Commerce Cloud Deserialization of Untrusted Data Vulnerability KEV EPSS 7% 9.8, critical
  • CVE-2018-2380 SAP Customer Relationship Management (CRM) Path Traversal Vulnerability KEV EPSS 29% 6.6, medium
  • CVE-2017-12637 SAP NetWeaver Directory Traversal Vulnerability KEV EPSS 95% 7.5, high

Beyond this page

Is CVE-2021-38163 in your network?

This page tells you how dangerous CVE-2021-38163 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

CVE-2021-38163 is in the CISA catalogue of exploited vulnerabilities: attackers are already exploiting it.

  • EXYS7600 OCELOT

    Find it before attackers do

    Ocelot scans your network on a schedule and reports every vulnerability it finds by its CVE identifier, with its CVSS score and how many of your hosts are affected. A finding like CVE-2021-38163 comes with the devices to patch.

    Learn more about EXYS7600 OCELOT

  • EXYS7950 KONDRA

    Detect it if it's exploited

    Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.

    Learn more about EXYS7950 KONDRA
Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 17 Oct 2026, not the live upstream state.