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

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-09-12 · updated 2026-06-17
Weakness: CWE-611

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.

Affected products

SAP_SE S4 HANA ABAP (Manage checkbook apps): 100, 101, 102, 103, 104, 105 (+3)

References

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

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