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CRITICAL SEVERITY
CVE-2025-42999 SAP · NetWeaver

SAP NetWeaver Deserialization Vulnerability

Technical Severity

CVSS v3.1 Metrics

CRITICAL
9.1 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Exploitation Likelihood

EPSS Prediction

65.71 %
Predictive Probability
Percentile Rank
98.5 th

Documented as more likely to be exploited than 98.5% of known CVEs.

Detection Date

May 15, 2025

Remediation Due

Jun 05, 2025

CISA Catalog Active

Threat Analysis

SAP NetWeaver Visual Composer Metadata Uploader contains a deserialization vulnerability that allows a privileged attacker to compromise the confidentiality, integrity, and availability of the host system by deserializing untrusted or malicious content.

Remediation Directive

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

External Intelligence