---
id: CVE-2025-42999
title: >-
  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 availabili…
summary: >-
  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 availabili…
severity: critical
cvss: 9.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H'
cwe:
  - CWE-502
vendor: sap
product: netweaver
affected:
  - netweaver = 7.5
published: '2025-05-13'
updated: '2026-08-11'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-42999'
references:
  - url: 'https://me.sap.com/notes/3604119'
    label: cna@sap.com
  - url: 'https://url.sap/sapsecuritypatchday'
    label: cna@sap.com
  - url: >-
      https://onapsis.com/blog/active-exploitation-of-sap-vulnerability-cve-2025-31324/
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-42999
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
  - kev
  - in-the-wild
epss: 0.13868
epssPercentile: 0.96397
kev: true
kevDateAdded: '2025-05-15'
kevDueDate: '2025-06-05'
kevRansomware: true
exploited: true
ingestedAt: '2026-08-11T16:47:03.544Z'
---

## Overview

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.

## Affected

- `netweaver = 7.5`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.