#VU105493 Missing Authorization in SAP NetWeaver AS ABAP - CVE-2025-26661

Vulnerability identifier: #VU105493

Vulnerability risk: Medium

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-26661

CWE-ID: CWE-862

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SAP NetWeaver AS ABAP
Server applications / Application servers

Vendor: SAP

Description

The vulnerability allows a remote user to escalate privileges within the application.

The vulnerability exists due to missing authorization checks within the ABAP Class Builder component. A remote authenticated user can bypass authorization and escalate privileges within the application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SAP NetWeaver AS ABAP: 700 - 914

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External links
https://support.sap.com/en/my-support/knowledge-base/security-notes-news/march-2025.html
https://me.sap.com/notes/3563927

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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