CVE-2023-27269: sap netweaver_application_server_abap Path Traversal

Vulnerability summary

CVE-2023-27269 is a critical (CVSS 9.6) Path Traversal vulnerability in sap netweaver_application_server_abap. EPSS estimates a 0.98% chance of exploitation in the next 30 days, higher than 61.8% of scored vulnerabilities.

Timeline

1. 14-03-2023
   PublishedVulnerability first disclosed.
2. 27-02-2025
   Last modifiedVulnerability information updated.

Description

SAP NetWeaver Application Server for ABAP and ABAP Platform - versions 700, 701, 702, 731, 740, 750, 751, 752, 753, 754, 755, 756, 757, 791, allows an attacker with non-administrative authorizations to exploit a directory traversal flaw in an available service to overwrite the system files.  In this attack, no data can be read but potentially critical OS files can be overwritten making the system unavailable.

• CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.