Deserialization of Untrusted Data in SAP NetWeaver - CVE-2025-42963

 

Deserialization of Untrusted Data in SAP NetWeaver - CVE-2025-42963

Published: July 8, 2025


Vulnerability identifier: #VU112452
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-42963
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: SAP
Affected software:
SAP NetWeaver

Detailed vulnerability description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data in SAP NetWeaver Application server for Java Log Viewer. A remote user can pass specially crafted data to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2025-42963

Install updates from vendor's website.

Sources