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Vulnerability · Published Jul 8, 2025 · Assigned by sap

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

Critical 9.1

In plain English

A critical-severity unsafe deserialization in SAP NetWeaver Application Server for Java (Log Viewer ) from SAP_SE. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities).

Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)0.7%top 45.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
SAP_SE SAP NetWeaver Application Server for Java (Log Viewer ) LMNWABASICAPPS 7.50

Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

References