CVE-2021-22803CWE-434

A CWE-434: Unrestricted Upload of File with Dangerous Type vulnerability exists that could lead to remote code execution through a number of paths, when an…

published February 11, 2022

CVSS
—
EPSS
2%
Percentile
80.0
In the wild
Unconfirmed
What it is

⚠️ An unrestricted file upload vulnerability in the Interactive Graphical SCADA System could allow attackers to write dangerous files, leading to remote code execution. This is like having a delivery person who can drop off packages without verifying what's inside! 📦 Think of it like a restaurant that lets customers drop off their own ingredients without checking them—one suspicious delivery could lead to a disastrous meal that affects everyone in the dining area. If exploited, an attacker could manipulate these file uploads to run arbitrary code within the server's context, potentially compromising the entire system. This could lead to unauthorized access and control over critical infrastructure—absolutely devastating!

Put simply

Think of it like a restaurant that lets customers drop off their own ingredients without checking them—one suspicious delivery could lead to a disastrous meal that affects everyone in the dining area. This vulnerability arises from the lack of proper restrictions on file uploads within the DC module of the Interactive Graphical SCADA System, allowing attackers to send crafted messages that write harmful files directly to server folders.

What to do

If exploited, an attacker could manipulate these file uploads to run arbitrary code within the server's context, potentially compromising the entire system. This could lead to unauthorized access and control over critical infrastructure—absolutely devastating! To mitigate this risk, ensure you upgrade to version V15.0.0.21244 or later. Additionally, implement strict validation on file types and contents before processing uploads, and consider disabling any unnecessary file upload features. Regularly audit your application to catch these issues early! You've got this! With a few proactive steps, you'll lock down your system and enhance its security. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01943 · 80.0th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2022-02-11T17:40Z
EPSS history
Timeline
  • 11 FEB 17:40Z
    A CWE-434: Unrestricted Upload of File with Dangerous Type vulnerability exists that could lead to remote code execution through a number of paths, when an…
    cvelistv5