#VU112451 Deserialization of Untrusted Data in SAP NetWeaver - CVE-2025-42966

Vulnerability identifier: #VU112451

Vulnerability risk: Medium

CVSSv4.0: 6.1 [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-2025-42966

CWE-ID: CWE-502

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SAP NetWeaver
Server applications / Application servers

Vendor: SAP

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 XML Data Archiving Service. 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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SAP NetWeaver: 7.50

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External links
https://support.sap.com/en/my-support/knowledge-base/security-notes-news/july-2025.html
https://me.sap.com/notes/3610892

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.