CVE-2021-21016CWE-78

Magento Commerce Unauthorized Data Modification Could Lead to Arbitrary Code Execution

Critical · published February 11, 2021

CVSS v3.0
9.1
EPSS
5%
Percentile
92.0
In the wild
Unconfirmed
What it is

🚨 A crafty attacker with admin access can unleash chaos through a sneaky OS command injection in Magento! 🔥 Think of it like a waiter who can access the kitchen and change orders without supervision — if they're mischievous, they could cause a culinary disaster! With this vulnerability, an authenticated attacker could execute any command on the server, potentially leading to complete control over your Magento installation. This means they could read sensitive data, modify files, or even bring your site to a standstill!

Put simply

Think of it like a waiter who can access the kitchen and change orders without supervision — if they're mischievous, they could cause a culinary disaster! This OS command injection vulnerability in Magento allows authenticated users to send malicious commands through the WebAPI, which the system executes as if they were legitimate. If the attacker successfully exploits this flaw, they can run arbitrary code on the server.

What to do

With this vulnerability, an authenticated attacker could execute any command on the server, potentially leading to complete control over your Magento installation. This means they could read sensitive data, modify files, or even bring your site to a standstill! Make sure to update your Magento installation to version 2.4.2 or later, or 2.3.7 if you're using an older version. Additionally, restrict admin console access to trusted users and regularly review permissions to enhance your security posture. You've got this! With a quick patch and better access controls, your site will be safer in no time! 🛡️

The record
Technical detail
CVSS v3.0
9.1 · CRITICAL
Vector
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.04850 · 92.0th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2021-02-11T19:38Z
EPSS history
Timeline
  • 11 FEB 19:38Z
    Magento Commerce Unauthorized Data Modification Could Lead to Arbitrary Code Execution
    cvelistv5