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CVE-2025-42999

Insecure Deserialization in SAP NetWeaver (Visual Composer development server)

Published: May 13, 2025Updated: Oct 31, 2025 Sources: CVE List NVD BDUCWE-502
9.1CRITICAL
NVD MITRE
EPSS Score
11.2%
Top 4.6%
CISA KEV
Active Exploitation
Since May 15, 2025
Exploits
1 Known
Remediation
Patch Available
Self-Check
OpenVAS

Description

SAP NetWeaver Visual Composer Metadata Uploader is vulnerable when a privileged user can upload untrusted or malicious content which, when deserialized, could potentially lead to a compromise of confidentiality, integrity, and availability of the host system.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:CC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-502

Affected Products

SAP
commercial·DEaka sap ag
SAP NetWeaverOn-prem
Enterprise Software / erp
netweaverOn-premWeb App
Enterprise Software / erp
SAP_SE
commercial·DEaka sap netweaver application server for abap, sap businessobjects business intelligence platform
SAP NetWeaver (Visual Composer development server)On-premWeb App
Enterprise Software / erp

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:May 15, 2025
Remediation due:Jun 5, 2025

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

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

3 techniques
Execution
Initial Access
View detailed technique mapping

References

https://support.sap.com/en/my-support/knowledge-base/security-notes-news/may-2025.htm
support.sap.com
https://onapsis.com/blog/active-exploitation-of-sap-vulnerability-cve-2025-31324/l
onapsis.com
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
cisa.gov
and 4 more references View all →
News mentions
1

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