CVE-2021-21427CWE-89

Backport for CVE-2021-21024 Blind SQLi from Magento 2

Critical · published April 21, 2021

CVSS v3.1
9.1
EPSS
1%
Percentile
64.7
In the wild
Unconfirmed
What it is

🚨 An administrator could unwittingly walk through a door meant to be locked! Magento-lts versions before 19.4.13 and 20.0.9 have a critical vulnerability that can grant unauthorized access to restricted resources. 🔥 Think of it as a hotel employee who somehow got a master key — they could open every door, even those that should be off-limits! If exploited, this vulnerability could allow an attacker to access sensitive admin areas and confidential information, resulting in catastrophic data breaches or unauthorized modifications. Imagine the chaos of sensitive data being exposed or tampered with, putting your entire business at risk!

Put simply

Think of it as a hotel employee who somehow got a master key — they could open every door, even those that should be off-limits! This vulnerability in Magento-lts allows an administrator with potentially no proper authentication checks to access restricted resources, effectively bypassing security measures in place. It’s a dangerous backdoor that could compromise the integrity of the entire system.

What to do

If exploited, this vulnerability could allow an attacker to access sensitive admin areas and confidential information, resulting in catastrophic data breaches or unauthorized modifications. Imagine the chaos of sensitive data being exposed or tampered with, putting your entire business at risk! Make sure to patch your Magento-lts to versions 19.4.13 or 20.0.9 immediately! Review your admin roles and permissions to ensure they're configured correctly and monitor access logs for any unusual activity. Security should always be top of mind! You've got this! Apply those patches, and you’ll be on your way to securing your system like a pro! 🛡️

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01075 · 64.7th percentile
Weakness
CWE-89 · Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Published
2021-04-21T20:55Z
EPSS history
Timeline
  • 21 APR 20:55Z
    Backport for CVE-2021-21024 Blind SQLi from Magento 2
    cvelistv5