CVE-2021-22704CWE-22

A CWE-22: Improper Limitation of a Pathname to a Restricted Directory vulnerability exists in Harmony/HMI Products Configured by Vijeo Designer (all versions…

published September 2, 2021

CVSS
—
EPSS
1%
Percentile
69.9
In the wild
Unconfirmed
What it is

⚠️ A simple misconfiguration can lead to unauthorized access! This vulnerability in Harmony/HMI products lets attackers access system information over FTP in versions prior to 6.2 SP11. 🔥 Think of it like a restaurant where the staff forgot to close the back door—the delivery person can just wander in and grab the entire inventory without being checked. In this scenario, a hacker can peek into sensitive files instead of just getting the menu. As a result, this vulnerability could allow an attacker to cause a Denial of Service or even gain unauthorized access to critical system information, leading to potential operational disruptions. Your sensitive data could be exposed, impacting both security and trust.

Put simply

Think of it like a restaurant where the staff forgot to close the back door—the delivery person can just wander in and grab the entire inventory without being checked. In this scenario, a hacker can peek into sensitive files instead of just getting the menu. This CWE-22 vulnerability arises from improper limitations on pathnames, enabling unauthorized access over FTP to system directories that should be protected. Effectively, this means an attacker can navigate the file system and reach areas they shouldn't be able to access.

What to do

As a result, this vulnerability could allow an attacker to cause a Denial of Service or even gain unauthorized access to critical system information, leading to potential operational disruptions. Your sensitive data could be exposed, impacting both security and trust. To safeguard your systems, patch to Vijeo Designer 6.2 SP11 or newer and ensure that EcoStruxure Machine Expert is updated to at least version 2.0. Regularly audit your configurations to prevent these types of oversights in the future. You've got this! With a few simple updates, you can secure your systems and keep the bad guys out! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01282 · 69.9th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2021-09-02T16:53Z
EPSS history
Timeline
  • 02 SEP 16:53Z
    A CWE-22: Improper Limitation of a Pathname to a Restricted Directory vulnerability exists in Harmony/HMI Products Configured by Vijeo Designer (all versions…
    cvelistv5