CVE-2025-42963

Insecure Deserialization in SAP NetWeaver Application Server for Java (Log Viewer )

Published Jul 8, 2025 CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-20346 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.
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00044}

epss

{'score': 0.00058}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Insecure Deserialization in SAP NetWeaver Application Server for Java (Log Viewer )
Weaknesses CWE-502
References
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H'}

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
sap
Published
Updated
Feb 26, 2026, 6:27 PM
Reserved
Apr 16, 2025, 1:25 PM
Status
Deferred
Published
Jul 8, 2025, 1:15 AM
Modified
Jun 17, 2026, 9:23 AM