The Integration Builder Framework of SAP Process Integration versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, does not check the file type extension of the file uploaded from local source. An attacker could craft a malicious file and upload it to the application, which could lead to denial of service and impact the availability of the application.

References

• https://nvd.nist.gov/vuln/detail/CVE-2021-27618
• https://launchpad.support.sap.com/#/notes/3012021
• https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=576094655