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CVE-2025-42963— Insecure Deserialization in SAP NetWeaver Application Server for Java (Log Viewer )

Quick assessment

Affected
SAP_SE SAP NetWeaver Application Server for Java (Log Viewer )
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

SAP NetWeaver Application Server for Java是德国思爱普（SAP）公司的一个基于Java EE的应用服务器。 SAP NetWeaver Application Server for Java存在代码问题漏洞，该漏洞源于不安全的Java对象反序列化，可能导致操作系统完全破解。

CVSS 9.1 · Critical EPSS 0.74% · P53

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-42963

Vulnerability Information
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Vulnerability Title
Insecure Deserialization in SAP NetWeaver Application Server for Java (Log Viewer )
Source: CVE Program / CVE List V5
Vulnerability Description
A critical vulnerability in SAP NetWeaver Application server for Java Log Viewer enables authenticated administrator users to exploit unsafe Java object deserialization. Successful exploitation can lead to full operating system compromise, granting attackers complete control over the affected system. This results in a severe impact on the confidentiality, integrity, and availability of the application and host environment.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
SAP NetWeaver Application Server for Java 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SAP NetWeaver Application Server for Java是德国思爱普（SAP）公司的一个基于Java EE的应用服务器。 SAP NetWeaver Application Server for Java存在代码问题漏洞，该漏洞源于不安全的Java对象反序列化，可能导致操作系统完全破解。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
SAP_SE SAP NetWeaver Application Server for Java (Log Viewer ) LMNWABASICAPPS 7.50 -

II. Public POCs for CVE-2025-42963

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III. Intelligence Information for CVE-2025-42963

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Same Patch Batch · SAP_SE · 2025-07-08 · 27 CVEs total

CVE-2025-42967 9.9 CRITICAL Code Injection vulnerability in SAP S/4HANA and SAP SCM (Characteristic Propagation)
CVE-2025-42964 9.1 CRITICAL Insecure Deserialization in SAP NetWeaver Enterprise Portal Administration
CVE-2025-42966 9.1 CRITICAL Insecure Deserialization vulnerability in SAP NetWeaver (XML Data Archiving Service)
CVE-2025-42980 9.1 CRITICAL Insecure Deserialization in SAP NetWeaver Enterprise Portal Federated Portal Network
CVE-2025-42959 8.1 HIGH Missing Authentication check after implementation of SAP Security Note 3007182 and 3537476
CVE-2025-42953 8.1 HIGH Missing Authorization check in SAP NetWeaver Application Server for ABAP
CVE-2025-42952 7.7 HIGH Missing Authorization check in SAP Business Warehouse and SAP Plug-In Basis
CVE-2025-43001 6.9 MEDIUM Multiple Privilege Escalation Vulnerabilities in SAPCAR
CVE-2025-42992 6.9 MEDIUM Multiple Privilege Escalation Vulnerabilities in SAPCAR
CVE-2025-42981 6.1 MEDIUM Multiple vulnerabilities in SAP NetWeaver Application Server ABAP
CVE-2025-42962 6.1 MEDIUM Cross-Site Scripting (XSS) vulnerability in SAP Business Warehouse (Business Explorer Web
CVE-2025-42969 6.1 MEDIUM Cross-Site Scripting (XSS) vulnerability in SAP NetWeaver Application Server ABAP and ABAP
CVE-2025-42985 6.1 MEDIUM Open Redirect vulnerability in SAP BusinessObjects Content Administrator workbench
CVE-2025-42970 5.8 MEDIUM Directory Traversal vulnerability in SAPCAR
CVE-2025-42979 5.6 MEDIUM Insecure Key & Secret Management vulnerability in SAP GUI for Windows
CVE-2025-42973 5.4 MEDIUM Cross-Site Scripting (XSS) vulnerability in SAP Data Services (DQ Report)
CVE-2025-42968 5.0 MEDIUM Missing Authorization check in SAP NetWeaver (RFC enabled function module)
CVE-2025-42961 4.9 MEDIUM Missing Authorization check in SAP NetWeaver Application Server for ABAP
CVE-2025-42960 4.3 MEDIUM Missing Authorization Check in SAP Business Warehouse and SAP BW/4HANA BEx Tools
CVE-2025-42974 4.3 MEDIUM Missing Authorization Check in SAP NetWeaver and ABAP Platform (SDCCN)

Showing top 20 of 27 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same vendor: SAP_SE
Same weakness: CWE-502

V. Comments for CVE-2025-42963

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