Deserialization of Untrusted Data in SAP NetWeaver - CVE-2025-42999

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU109012

Deserialization of Untrusted Data in SAP NetWeaver - CVE-2025-42999

Published: May 13, 2025 / Updated: May 15, 2025


Vulnerability identifier: #VU109012
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:A/U:Green
CVE-ID: CVE-2025-42999
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
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 within the Visual Composer development server. A remote user can send specially crafted HTTP request to the server and execute arbitrary code on the target system.


How to mitigate CVE-2025-42999

Install updates from vendor's website.

Sources