CVE-2025-42999

SAP NetWeaver — SAP NetWeaver Deserialization Vulnerability
🔥 CVSS 3.1  9.1 / 10 — CRITICAL 🔴 CISA Known Exploited Vulnerability

Overview

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.

SAP users must have an account to log in and access the patch: https://me.sap.com/notes/3604119 ; https://nvd.nist.gov/vuln/detail/CVE-2025-42999

Key Details

PropertyValue
CVE ID CVE-2025-42999
Vendor / Product SAP — NetWeaver
NVD Published2025-05-13
NVD Last Modified2025-10-31
CVSS 3.1 Score9.1
CVSS 3.1 VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
SeverityCRITICAL
CWE CWE-502
CISA KEV Added2025-05-15
CISA KEV Deadline2025-06-05
Known Ransomware Use No

CVSS 3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Required Action

CISA BOD 22-01 Deadline: 2025-06-05. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Timeline

DateEvent
2025-05-15Added to CISA Known Exploited Vulnerabilities catalog
2025-06-05CISA BOD 22-01 remediation deadline

References

ResourceType
NVD — CVE-2025-42999 Vulnerability Database
CISA KEV Catalog Entry US Government