Arbitrary file upload in SAP Netweaver Process Integration

CVE-2021-27618

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.

Vulnerability class: Unrestricted File Upload

EPSS: 0.008 (54.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

  • cna@sap.com (x_refsource_MISC, Vendor Advisory)
  • cna@sap.com (Permissions Required, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-27618?
CVE-2021-27618 is a medium-severity vulnerability in SAP Netweaver Process Integration, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 4.9/10. Published 2021-05-11.
How severe is CVE-2021-27618?
Medium severity. CVSS v3 base score is 4.9 out of 10.