CVE-2021-38458CWE-74

Moxa MXview Network Management Software

Critical · published October 12, 2021

CVSS v3.1
9.8
EPSS
2%
Percentile
78.5
In the wild
Unconfirmed
What it is

🚨 A sneaky path traversal vulnerability in Moxa MXview could let attackers overwrite critical files — it's like a delivery driver taking a shortcut straight into your house! 🔥 Imagine a delivery driver who has the exact address to your home, but instead of knocking at the door, they just waltz in through an unlocked back gate! This vulnerability allows attackers to sneak in and change essential files on the server, bypassing all the intended security measures. This is absolutely devastating! An attacker could overwrite or create critical files, allowing them to execute malicious code, hijack operations, or compromise sensitive data. If exploited, it could lead to complete control over the affected system, putting your network at serious risk!

Put simply

Imagine a delivery driver who has the exact address to your home, but instead of knocking at the door, they just waltz in through an unlocked back gate! This vulnerability allows attackers to sneak in and change essential files on the server, bypassing all the intended security measures. The path traversal vulnerability in Moxa MXview versions 3.x to 3.2.2 enables unauthorized file creation or modification due to improper input validation, allowing attackers to manipulate files crucial for executing code.

What to do

This is absolutely devastating! An attacker could overwrite or create critical files, allowing them to execute malicious code, hijack operations, or compromise sensitive data. If exploited, it could lead to complete control over the affected system, putting your network at serious risk! Immediately patch to version 3.2.3 or higher to mitigate this vulnerability. Additionally, review your security configurations and ensure that file permissions are properly set to limit unauthorized access. Don't forget to educate your team about the risks of path traversal! You've got this! Follow these steps and you'll be a security hero in no time! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01816 · 78.5th percentile
Weakness
CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Published
2021-10-12T13:38Z
EPSS history
Timeline
  • 12 OCT 13:38Z
    Moxa MXview Network Management Software
    cvelistv5