CVE-2021-40390CWE-798

An authentication bypass vulnerability exists in the Web Application functionality of Moxa MXView Series 3.2.4

Critical · published April 14, 2022

CVSS v3.0
10.0
EPSS
2%
Percentile
84.3
In the wild
Unconfirmed
What it is

🚨 An HTTP request is all it takes to bypass authentication in Moxa MXView Series 3.2.4 — talk about a door left wide open! 🔥 This vulnerability is like a hotel where the front desk has forgotten to check ID — anyone can just walk in and roam the halls without question! An attacker could gain unauthorized access to sensitive areas of your network, potentially exposing critical data or services. The implications are absolutely devastating, as once inside, they could manipulate settings, view confidential information, or even disrupt operations.

Put simply

This vulnerability is like a hotel where the front desk has forgotten to check ID — anyone can just walk in and roam the halls without question! This authentication bypass vulnerability allows attackers to send specially-crafted HTTP requests that the Web Application does not properly validate, granting them access without legitimate credentials.

What to do

An attacker could gain unauthorized access to sensitive areas of your network, potentially exposing critical data or services. The implications are absolutely devastating, as once inside, they could manipulate settings, view confidential information, or even disrupt operations. Immediately update to version 3.2.5 or later to close this critical gap. Conduct a thorough audit of your access controls and configurations to ensure no unauthorized access has occurred. Don't forget to educate your team on maintaining secure practices! You've got this! With these updates and precautions, you'll have your security locked down in no time. 🛡️

The record
Technical detail
CVSS v3.0
10.0 · CRITICAL
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.02456 · 84.3th percentile
Weakness
CWE-798 · Use of Hard-coded Credentials
Published
2022-04-14T19:56Z
EPSS history
Timeline
  • 14 APR 19:56Z
    An authentication bypass vulnerability exists in the Web Application functionality of Moxa MXView Series 3.2.4
    cvelistv5