CVE-2022-22929

MCMS v5.2.4 was discovered to have an arbitrary file upload vulnerability in the New Template module, which allows attackers to execute arbitrary code via a…

published January 20, 2022

CVSS
—
EPSS
3%
Percentile
85.1
In the wild
Unconfirmed
What it is

⚠️ A sneaky ZIP file could be your next big headache! The New Template module in MCMS v5.2.4 lets attackers upload arbitrary files — it’s like letting an unsuspecting delivery driver drop off a mysterious package without checking what's inside. 🥴 Think of it as a restaurant that accepts any takeout order without confirming if it’s food or a surprise cake! The server just accepts whatever the driver hands them, not knowing they could be setting themselves up for a nasty surprise. An attacker could exploit this vulnerability to upload malicious code disguised as a ZIP file, potentially taking over the server! This could lead to unauthorized access, data breaches, or even complete control over the system. It’s like giving someone the keys to the backdoor when you thought you were just accepting dessert!

Put simply

Think of it as a restaurant that accepts any takeout order without confirming if it’s food or a surprise cake! The server just accepts whatever the driver hands them, not knowing they could be setting themselves up for a nasty surprise. The arbitrary file upload vulnerability allows attackers to submit crafted ZIP files to the New Template module, enabling them to execute arbitrary code on the server. Without proper validation, this could spell disaster for any compromised system.

What to do

An attacker could exploit this vulnerability to upload malicious code disguised as a ZIP file, potentially taking over the server! This could lead to unauthorized access, data breaches, or even complete control over the system. It’s like giving someone the keys to the backdoor when you thought you were just accepting dessert! Update MCMS to the latest version to address this vulnerability. Ensure that you implement strict file type validations and also restrict the types of files that can be uploaded. Regularly audit file upload functionality to further tighten security. You’ve got this! By taking these steps, you’ll be well on your way to securing your system and keeping those pesky attackers out! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02576 · 85.1th percentile
Published
2022-01-20T23:40Z
EPSS history
Timeline
  • 20 JAN 23:40Z
    MCMS v5.2.4 was discovered to have an arbitrary file upload vulnerability in the New Template module, which allows attackers to execute arbitrary code via a…
    cvelistv5