Advisory

SAP takes the security of its vast product portfolio very seriously and thus releases security fixes for vulnerabilities reported by external researchers and their customers every second Tuesday of the month.

SAP Note 3662324 was released on 09.12.2025 and deals with "[CVE-2025-42904] Information Disclosure vulnerability in Application Server ABAP" within Kernel. We advice you to follow the instructions, to resolve information disclosure with a medium potential for exploitation in component BC-ABA-LI.

According to SAP Security Advisory team a workaround does not exist. It is advisable to implement the correction as part of maintenance.

Information disclosure is when an application fails to properly protect sensitive and confidential information from parties that are not supposed to have access to the subject matter in normal circumstances.
Carefully review every information disclosure vulnerablity in regards to disclosure obligations post-GDPR for ‘Personal data’ under the Data Protection Act 2018.

Risk specification

A vulnerability in the SAP Application Server ABAP allows an authenticated attacker to read unmasked values displayed in ABAP lists, which can result in unauthorized disclosure of data.

Solution

The issue was fixed by restoring masking in ABAP lists and reverting the regression introduced in SAP Note 3633999.

The advisory is valid for

KERNEL 7.53 ⁵⁴
KERNEL 7.54 ³³
KERNEL 7.77 ⁵⁰
KERNEL 7.89 ³³
KERNEL 7.93 ²⁷
KERNEL 9.16 ⁵
KERNEL 9.17
KRNL64UC 7.53 ⁵⁴

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Disclaimer

SecurityBridge takes the security of SAP products very seriously. We very much encourage the responsible disclosure of security vulnerabilities. If you have detected a vulnerability concerning one of the SAP software products – either in the latest or in a former product version follow the guidelines and processes in accordance with the SAP portal page “Report a Security Vulnerability to SAP”.

The advisories found within the SecurityBridge advisory are generated and continuously enriched by our Team at SecurityBridge and affiliated security consultants, partners, customers of the SecurityBridge Platform, SAP support, and advisory groups.

We do not disclose zero-day vulnerabilities unless a security patch has been made available to the public. In such case, the platform only provides details on which version or signature updates are available within the SecurityBridge platform in order to monitor or measure the vulnerability.

In accordance with SAP guidelines, SecurityBridge only discloses issues where the fixing security note has been released. The vulnerability platform makes no references to available exploits or Proof of Concepts (PoC). Advisories and vulnerabilities will always mention the fixing security note or hints to the corresponding SAP documentation.

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