CVE-2025-31324KEV · OVERDUECWE-434unrestricted-file-upload

SAP NetWeaver Unrestricted File Upload Vulnerability

Critical · published April 24, 2025

Patch now

Confirmed exploited, and the score agrees

CVSS calls it critical at 10.0. It is confirmed in active exploitation. It sits in the 99.9th percentile for exploit probability.

521
days past CISA
deadline
CVSS v3.1
10.0
EPSS
99%
Percentile
99.9
In the wild
Confirmed
What it is

🚨 Unprotected upload point detected! The SAP NetWeaver Visual Composer Metadata Uploader lacks essential authorization, allowing any unauthenticated user to dump malicious binaries straight onto the server. 🔥 Think of it as a hotel lobby where anyone can just stroll in and drop off a suspicious package without anyone checking their ID. All it takes is one unverified delivery for chaos to ensue! An attacker could easily upload harmful executable files, leading to catastrophic data breaches, system corruption, or even complete service outages. This vulnerability poses a severe threat to the confidentiality, integrity, and availability of your system, potentially bringing your operations to a grinding halt!

Put simply

Think of it as a hotel lobby where anyone can just stroll in and drop off a suspicious package without anyone checking their ID. All it takes is one unverified delivery for chaos to ensue! The vulnerability arises from improper access controls in the SAP NetWeaver Visual Composer, allowing unauthorized users to upload potentially malicious files directly to the server. This can enable remote code execution and severe damage to the host system.

What to do

An attacker could easily upload harmful executable files, leading to catastrophic data breaches, system corruption, or even complete service outages. This vulnerability poses a severe threat to the confidentiality, integrity, and availability of your system, potentially bringing your operations to a grinding halt! Immediately patch to the latest version that addresses CVE-2025-31324 and implement strict authorization checks for file uploads. Regularly audit your systems and restrict access to trusted users only! You’ve got this! With swift action, you can lock down your system and keep those threats at bay! 🛡️

The record
Technical detail
CVSS v3.1
10.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.99486 · 99.9th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2025-04-24T21:15Z
KEV added
2025-04-29 · due 2025-05-20
Affected products (1)
ProductVersionsFixed in
sap/netweaverall versions—
References (7)
EPSS history
Timeline
  • 29 APR 00:00Z
    Added to CISA KEV — remediate by May 20
    kev
  • 24 APR 16:50Z
    Missing Authorization check in SAP NetWeaver (Visual Composer development server)
    cvelistv5