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: 8.6 [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]
CVE-ID: CVE-2025-42999
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
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.
Affected software
SAP NetWeaver
How to mitigate CVE-2025-42999
Install updates from vendor's website.