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Vulnerabilities

Vulnerability · CVE-2021-38163

SAP NetWeaver Unrestricted File Upload Vulnerability

Published Sep 14, 2021 · catalog updated Jun 16, 2026 · SAP NetWeaver

Patch now

CVE-2021-38163 is in the CISA known-exploited catalog, due Jun 30, 2022. Confirm SAP NetWeaver against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
High8.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
36.90%
Remediation
Remediation guidance
Affected products
cpe sap/netweaver · vendor SAP NetWeaver

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe sap/netweaver7.30
  • cpe sap/netweaver7.31
  • cpe sap/netweaver7.40
  • cpe sap/netweaver7.50
  • vendor SAP NetWeaverversion unspecified

How to fix CVE-2021-38163

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2021-38163 is in the CISA known-exploited catalog, due Jun 30, 2022. Confirm SAP NetWeaver against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with 7.30, 7.31, 7.40, 7.50. Apply updates per vendor instructions.

What should an analyst verify?

CWE-22: Path Traversal; CWE-23. EPSS 36.90%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 14, 2021 · Catalog

    Detected

    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

  2. Jun 9, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Jun 30, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    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

Sources

  • CISA KEVConfirmed exploitationCVE-2021-38163

    SAP NetWeaver contains a vulnerability that allows unrestricted file upload.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2021-38163

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2021-38163

    30-day exploitation probability 36.9%

    first.org
  • NIST NVDVulnerability recordCVE-2021-38163

    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

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2021-38163

    SAP NetWeaver contains a vulnerability that allows unrestricted file upload.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.